US StockDetailed Quotes

Provided by Tiger Fintech (Singapore) Pte. Ltd.

Niu Technologies

4.53

-0.4300-8.67%

Post-market: 4.560.0300+0.66%19:56 EDT

Volume:971.97K

Turnover:4.44M

Market Cap:353.18M

PE:-17.48

High:4.80

Open:4.77

Low:4.48

Close:4.96

52wk High:5.37

52wk Low:1.66

Shares:77.96M

Float Shares:43.96M

Volume Ratio:1.66

T/O Rate:2.21%

Dividend:- -

Dividend Rate:- -

EPS(TTM):-0.2592

EPS(LYR):-0.3341

ROE:-15.16%

ROA:-4.47%

PB:2.79

PE(LYR):-13.56

Loading ...

Overview Company News Filings

Annual Report

Form 20-F - Annual and transition report of foreign private issuers [Sections 13 or 15(d)]

Proposed Sale Of Securities

Form 144 - Report of proposed sale of securities

Employee Stock Ownership

Form S-8 - Securities to be offered to employees in employee benefit plans

Annual Report

Form 20-F - Annual and transition report of foreign private issuers [Sections 13 or 15(d)]

Proposed Sale Of Securities

Form 144 - Report of proposed sale of securities

Beneficial Ownership Change

Form SC 13D - General statement of acquisition of beneficial ownership

Correspondence

Form CORRESP - Correspondence

[Rev.]Annual Report

Form 20-F/A - Annual and transition report of foreign private issuers [Sections 13 or 15(d)]: [Amend]

Correspondence

Form CORRESP - Correspondence

Correspondence

Form CORRESP - Correspondence

Annual Report

20-F - Annual and transition report of foreign private issuers [Sections 13 or 15(d)]

Beneficial Ownership Change

SC 13G/A [Amend] - Statement of acquisition of beneficial ownership by individuals

Beneficial Ownership Change

SC 13G/A [Amend] - Statement of acquisition of beneficial ownership by individuals

Beneficial Ownership Change

SC 13G/A [Amend] - Statement of acquisition of beneficial ownership by individuals

Beneficial Ownership Change

SC 13G/A [Amend] - Statement of acquisition of beneficial ownership by individuals

Beneficial Ownership Change

SC 13G/A [Amend] - Statement of acquisition of beneficial ownership by individuals

Annual Report

20-F - Annual and transition report of foreign private issuers [Sections 13 or 15(d)]

Beneficial Ownership Change

SC 13G - Statement of acquisition of beneficial ownership by individuals

Beneficial Ownership Change

SC 13G - Statement of acquisition of beneficial ownership by individuals

Beneficial Ownership Change

SC 13G - Statement of acquisition of beneficial ownership by individuals

{"basename":"","ssrTDKData":{"titleTemplate":"%s - Tiger Brokers","title":"Tiger Brokers | Global Stocks, Options & Futures Trading App","description":"Tiger Brokers, one-stop investment in US stocks, SGX stocks, HK stocks, A-shares & other global assets. One of the best stock trading platforms in Singapore.","keywords":"tiger brokers,tiger trade,tiger brokers singapore,broker online,stock trading in singapore,share trading singapore,brokerage firm singapore,trading app,stock broker singapore,stock trading platforms,trading account","social":{"ogDescription":"Tiger Brokers, one-stop investment in US stocks, SGX stocks, HK stocks, A-shares & other global assets. One of the best stock trading platforms in Singapore.","ogImage":"https://c1.itigergrowtha.com/portal5/static/media/og-logo.be62fbe1.png","ogUrl":"https://www-web.itiger.com/stock/NIU/filings"},"companyName":"Tiger Brokers"},"pageData":{"isMobile":false,"isTiger":false,"isTTM":true,"region":"SGP","license":"TBSG","edition":"fundamental","symbol":"NIU","isAnalysisPage":false},"__swrFallback__":{"@#url:\"https://hq.skytigris.cn/stock_info/detail/global\",params:#delay:false,,method:\"POST\",data:#items:@#symbol:\"NIU\",,,,,undefined,":{"symbol":"NIU","market":"US","secType":"STK","nameCN":"Niu Technologies","latestPrice":4.53,"timestamp":1756324800000,"preClose":4.96,"halted":0,"volume":971969,"hourTrading":{"tag":"盘后","latestPrice":4.56,"preClose":4.53,"latestTime":"19:56 EDT","volume":80363,"amount":364067.132,"timestamp":1756339017419},"delay":0,"floatShares":43962885,"shares":77963972,"eps":-0.259194,"marketStatus":"Not Yet Opened","change":-0.43,"latestTime":"08-27 16:00:00 EDT","open":4.77,"high":4.7999,"low":4.48,"amount":4444960.03235,"amplitude":0.064496,"askPrice":0,"askSize":0,"bidPrice":0,"bidSize":0,"shortable":3,"etf":0,"ttmEps":-0.259194,"tradingStatus":0,"nextMarketStatus":{"tag":"Pre-Mkt","tradingStatus":1,"beginTime":1756368000000},"marketStatusCode":0,"adr":0,"adrRate":2,"listingDate":1539921600000,"exchange":"NASDAQ","adjPreClose":4.96,"preHourTrading":{"tag":"盘前","latestPrice":4.82,"preClose":4.96,"latestTime":"09:18 EDT","volume":5225,"amount":25424.517167500002,"timestamp":1756300680564},"postHourTrading":{"tag":"盘后","latestPrice":4.56,"preClose":4.53,"latestTime":"19:56 EDT","volume":80363,"amount":364067.132,"timestamp":1756339017419},"volumeRatio":1.658196,"impliedVol":1.4242,"impliedVolPercentile":0.692},"@#url:\"https://hq.skytigris.cn/stock_info/fundamental/all\",params:#delay:false,,method:\"POST\",data:#items:@#symbol:\"NIU\",,,,,undefined,":{"symbol":"NIU","floatShares":43962885,"roa":"-4.47%","roe":"-15.16%","lyrEps":-0.334079,"volumeRatio":1.658196,"shares":77963972,"dividePrice":0,"high":4.7999,"amplitude":0.064496,"preClose":4.96,"low":4.48,"week52Low":1.66,"pbRate":"2.79","psRate":"0.67","week52High":5.37,"institutionHeld":0,"latestPrice":4.53,"eps":-0.259194,"divideRate":0,"volume":971969,"delay":0,"ttmEps":-0.259194,"open":4.77,"prevYearClose":1.79,"prevWeekClose":4.52,"prevMonthClose":3.6,"prevQuarterClose":3.36,"fiveDayClose":4.54,"twentyDayClose":3.57,"sixtyDayClose":3.47},"@#url:\"https://hq.skytigris.cn/fundamental/corporate_actions/details/NIU\",params:#limit:5,,,undefined,":[{"market":"US","date":"2025-08-11","symbol":"NIU","fiscalQuarterEnding":"2025/06","expectedEps":null,"name":null,"time":"Pre-Market","type":"earning","dateTimestamp":1754884800000,"reportTimeType":"pre","actualEps":0.01},{"market":"US","date":"2025-05-19","symbol":"NIU","fiscalQuarterEnding":"2025/03","expectedEps":null,"name":null,"time":"Pre-Market","type":"earning","dateTimestamp":1747627200000,"reportTimeType":"pre","actualEps":-0.07},{"market":"US","date":"2025-03-17","symbol":"NIU","fiscalQuarterEnding":"2024/12","expectedEps":null,"name":null,"time":"Pre-Market","type":"earning","dateTimestamp":1742184000000,"reportTimeType":"pre","actualEps":-0.13},{"date":"2024-11-18","symbol":"NIU","type":"earning","reportTimeType":"pre","market":"US","fiscalQuarterEnding":"2024/09","expectedEps":null,"defaultRemindTime":1731920400000,"name":null,"time":"Pre-Market","dateTimestamp":1731906000000,"actualEps":null},{"market":"US","date":"2024-08-12","symbol":"NIU","fiscalQuarterEnding":"2024/06","expectedEps":null,"name":null,"time":"Pre-Market","type":"earning","dateTimestamp":1723435200000,"reportTimeType":"pre","actualEps":-0.04}],"@#url:\"https://hq.skytigris.cn/fundamental/dividend/history\",params:#symbol:\"NIU\",market:\"US\",,,undefined,":[],"@#url:\"https://hq.skytigris.cn/fundamental/estimate/recommendation\",params:#symbol:\"NIU\",market:\"US\",delay:false,,,undefined,":{"strongBuy":0,"buy":0.6667,"hold":0.3333,"sell":0,"strongSell":0,"meanLabel":"BUY","meanPercent":0.6667,"analysts":3,"updateTime":1743739200000},"@#url:\"https://hq.skytigris.cn/value_analysis/stock/NIU\",params:#withQuantilePoint:true,period:\"5year\",factor:\"peRate\",delay:false,algorithm:1,,,undefined,":{"brief":{"id":"NIU","date":"2025-08-26","current":-17.250218,"percent":0.103283,"low":-44.293269,"twenty":-10.358742,"median":14.513075,"eighty":69.413682,"high":139.407081,"avg":24.185601,"sd":43.015856,"marketCap":353176793},"quantilePoints":[{"date":"2020-08-28","current":66.469217,"twenty":-11.425661,"median":19.901483,"eighty":67.205411,"marketCap":1525576554},{"date":"2020-09-04","current":62.675256,"twenty":-11.416599,"median":20.68917,"eighty":67.50685,"marketCap":1443355378},{"date":"2020-09-11","current":59.721013,"twenty":-11.403505,"median":22.107826,"eighty":67.212014,"marketCap":1376830972},{"date":"2020-09-18","current":62.710243,"twenty":-11.386054,"median":23.341947,"eighty":67.177943,"marketCap":1459799613},{"date":"2020-09-25","current":60.331724,"twenty":-11.374051,"median":23.629345,"eighty":67.011694,"marketCap":1393275207},{"date":"2020-10-02","current":69.256148,"twenty":-11.37052,"median":24.214306,"eighty":67.177943,"marketCap":1607050266},{"date":"2020-10-09","current":85.899502,"twenty":-11.365402,"median":24.719286,"eighty":67.853187,"marketCap":2021893474},{"date":"2020-10-16","current":101.343444,"twenty":-11.36288,"median":24.897241,"eighty":69.035328,"marketCap":2384414115},{"date":"2020-10-23","current":86.753574,"twenty":-11.351457,"median":25.300437,"eighty":70.043463,"marketCap":2044317431},{"date":"2020-10-30","current":83.36647,"twenty":-11.331376,"median":33.684787,"eighty":71.517318,"marketCap":1963591185},{"date":"2020-11-06","current":97.976685,"twenty":-11.329035,"median":35.436348,"eighty":72.325254,"marketCap":2335081409},{"date":"2020-11-13","current":102.500091,"twenty":-11.32142,"median":37.040396,"eighty":73.910028,"marketCap":2444958800},{"date":"2020-11-20","current":111.25001,"twenty":-11.304271,"median":37.362702,"eighty":74.790463,"marketCap":2670693302},{"date":"2020-11-27","current":90.712173,"twenty":-11.293396,"median":37.770734,"eighty":76.113973,"marketCap":2360495227},{"date":"2020-12-04","current":80.138051,"twenty":-11.28683,"median":38.988633,"eighty":77.658695,"marketCap":2100377324},{"date":"2020-12-11","current":83.363524,"twenty":-11.275334,"median":40.418765,"eighty":80.138051,"marketCap":2179608639},{"date":"2020-12-18","current":85.098091,"twenty":-11.259455,"median":40.895825,"eighty":81.980833,"marketCap":2228193880},{"date":"2020-12-24","current":80.735709,"twenty":-11.250399,"median":41.13113,"eighty":82.414463,"marketCap":2116074094},{"date":"2020-12-31","current":79.970956,"twenty":-11.225524,"median":41.841101,"eighty":82.090882,"marketCap":2096639998},{"date":"2021-01-08","current":100.143459,"twenty":-11.188977,"median":42.859877,"eighty":82.638357,"marketCap":2648269345},{"date":"2021-01-15","current":107.498787,"twenty":-11.164913,"median":43.998092,"eighty":83.611007,"marketCap":2839620446},{"date":"2021-01-22","current":130.342045,"twenty":-11.155427,"median":44.277481,"eighty":84.617723,"marketCap":3442077430},{"date":"2021-01-29","current":122.780471,"twenty":-11.150262,"median":44.69859,"eighty":85.800276,"marketCap":3268665494},{"date":"2021-02-05","current":129.455387,"twenty":-11.147837,"median":44.868459,"eighty":87.45748,"marketCap":3426380660},{"date":"2021-02-12","current":138.195807,"twenty":-11.144791,"median":45.183246,"eighty":88.205952,"marketCap":3663327141},{"date":"2021-02-19","current":124.585325,"twenty":-11.142049,"median":45.260615,"eighty":90.374011,"marketCap":3303048895},{"date":"2021-02-26","current":105.664955,"twenty":-11.133535,"median":45.33592,"eighty":91.916475,"marketCap":2794025067},{"date":"2021-03-05","current":95.166584,"twenty":-11.119445,"median":45.368295,"eighty":94.619999,"marketCap":2507745880},{"date":"2021-03-12","current":120.111136,"twenty":-11.104131,"median":45.413619,"eighty":95.253227,"marketCap":3112445259},{"date":"2021-03-19","current":115.596655,"twenty":-11.061234,"median":45.46436,"eighty":98.989125,"marketCap":2995093216},{"date":"2021-03-26","current":98.660712,"twenty":-11.059779,"median":45.607578,"eighty":99.873161,"marketCap":2543624211},{"date":"2021-04-01","current":108.53463,"twenty":-11.057783,"median":45.635873,"eighty":100.501396,"marketCap":2788045345},{"date":"2021-04-09","current":107.870965,"twenty":-11.040217,"median":45.657807,"eighty":102.500091,"marketCap":2776409963},{"date":"2021-04-16","current":100.445013,"twenty":-11.023685,"median":45.687218,"eighty":102.500091,"marketCap":2597926465},{"date":"2021-04-23","current":110.792948,"twenty":-11.018611,"median":45.839432,"eighty":102.563817,"marketCap":2876330212},{"date":"2021-04-30","current":109.406436,"twenty":-11.009638,"median":46.268563,"eighty":103.400569,"marketCap":2849633962},{"date":"2021-05-07","current":91.416113,"twenty":-10.9883,"median":46.386934,"eighty":103.400569,"marketCap":2396560468},{"date":"2021-05-14","current":85.038985,"twenty":-10.980424,"median":46.617705,"eighty":103.003546,"marketCap":2227992720},{"date":"2021-05-21","current":78.795272,"twenty":-10.965364,"median":46.788198,"eighty":102.785096,"marketCap":2322573719},{"date":"2021-05-28","current":85.340196,"twenty":-10.964683,"median":47.386634,"eighty":102.580636,"marketCap":2541482966},{"date":"2021-06-04","current":86.776863,"twenty":-10.963801,"median":47.648858,"eighty":102.567181,"marketCap":2573518466},{"date":"2021-06-11","current":87.957997,"twenty":-10.955872,"median":47.690177,"eighty":102.555237,"marketCap":2607079465},{"date":"2021-06-18","current":82.91967,"twenty":-10.89513,"median":48.018172,"eighty":102.510691,"marketCap":2436986218},{"date":"2021-06-25","current":80.981116,"twenty":-10.842868,"median":48.340036,"eighty":101.627011,"marketCap":2379017218},{"date":"2021-07-02","current":81.233878,"twenty":-10.825988,"median":49.386615,"eighty":101.401427,"marketCap":2380542718},{"date":"2021-07-09","current":88.230745,"twenty":-10.802322,"median":49.718036,"eighty":101.365906,"marketCap":2582671466},{"date":"2021-07-16","current":72.961041,"twenty":-10.787154,"median":50.328788,"eighty":101.080312,"marketCap":2135699972},{"date":"2021-07-23","current":72.726273,"twenty":-10.780361,"median":50.854698,"eighty":100.821512,"marketCap":2128072472},{"date":"2021-07-30","current":66.528093,"twenty":-10.775782,"median":51.6045,"eighty":100.607208,"marketCap":1952639974},{"date":"2021-08-06","current":61.400492,"twenty":-10.763805,"median":52.462784,"eighty":100.467566,"marketCap":1796276226},{"date":"2021-08-13","current":55.408936,"twenty":-10.731812,"median":53.450316,"eighty":100.264081,"marketCap":1622369228},{"date":"2021-08-20","current":55.028397,"twenty":-10.703878,"median":53.633702,"eighty":100.042728,"marketCap":1901535725},{"date":"2021-08-27","current":56.073384,"twenty":-10.692471,"median":55.028397,"eighty":99.829257,"marketCap":1946537974},{"date":"2021-09-03","current":63.886045,"twenty":-10.685561,"median":55.3404,"eighty":99.637849,"marketCap":2223416220},{"date":"2021-09-10","current":61.216388,"twenty":-10.675939,"median":55.518496,"eighty":99.530568,"marketCap":2134174472},{"date":"2021-09-17","current":57.997972,"twenty":-10.656377,"median":55.734467,"eighty":99.374999,"marketCap":2015185473},{"date":"2021-09-24","current":53.102607,"twenty":-10.640024,"median":55.619193,"eighty":99.05777,"marketCap":1845092225},{"date":"2021-10-01","current":50.118377,"twenty":-10.636326,"median":55.408936,"eighty":98.732928,"marketCap":1746697477},{"date":"2021-10-08","current":54.977567,"twenty":-10.634008,"median":55.228051,"eighty":98.654712,"marketCap":1916790724},{"date":"2021-10-15","current":53.021967,"twenty":-10.61355,"median":55.028397,"eighty":98.559326,"marketCap":1851194225},{"date":"2021-10-22","current":52.522438,"twenty":-10.580732,"median":54.911445,"eighty":98.248523,"marketCap":1848143225},{"date":"2021-10-29","current":56.934262,"twenty":-10.561366,"median":54.977567,"eighty":97.549343,"marketCap":1996879473},{"date":"2021-11-05","current":56.81042,"twenty":-10.539866,"median":55.172727,"eighty":96.896603,"marketCap":1994591223},{"date":"2021-11-12","current":56.960394,"twenty":-10.536471,"median":55.277839,"eighty":96.839839,"marketCap":2006032473},{"date":"2021-11-19","current":52.177628,"twenty":-10.516566,"median":55.228051,"eighty":96.595205,"marketCap":1835176475},{"date":"2021-11-26","current":40.778264,"twenty":-10.488696,"median":55.097793,"eighty":96.108092,"marketCap":1507956730},{"date":"2021-12-03","current":38.785751,"twenty":-10.486532,"median":54.845323,"eighty":95.253227,"marketCap":1437783731},{"date":"2021-12-10","current":38.186435,"twenty":-10.481818,"median":54.727205,"eighty":95.112375,"marketCap":1417189481},{"date":"2021-12-17","current":31.561103,"twenty":-10.470792,"median":54.658364,"eighty":94.86791,"marketCap":1170058484},{"date":"2021-12-23","current":32.849503,"twenty":-10.47027,"median":54.416171,"eighty":94.757401,"marketCap":1218874484},{"date":"2021-12-31","current":33.024722,"twenty":-10.450491,"median":54.151477,"eighty":94.070389,"marketCap":1228790233},{"date":"2022-01-07","current":33.87393,"twenty":-10.436178,"median":53.799453,"eighty":93.447205,"marketCap":1255486483},{"date":"2022-01-14","current":30.34072,"twenty":-10.435909,"median":53.513969,"eighty":93.317237,"marketCap":1128869985},{"date":"2022-01-21","current":29.231094,"twenty":-10.41289,"median":53.216614,"eighty":93.020139,"marketCap":1089969735},{"date":"2022-01-28","current":26.13039,"twenty":-10.390602,"median":53.030335,"eighty":92.140594,"marketCap":970980737},{"date":"2022-02-04","current":27.834101,"twenty":-10.374683,"median":52.639003,"eighty":91.848073,"marketCap":1034288986},{"date":"2022-02-11","current":27.687851,"twenty":-10.365871,"median":52.477965,"eighty":91.59925,"marketCap":1029712486},{"date":"2022-02-18","current":26.680683,"twenty":-10.360863,"median":51.930983,"eighty":91.441439,"marketCap":996914236},{"date":"2022-02-25","current":24.707743,"twenty":-10.356313,"median":51.605325,"eighty":91.198257,"marketCap":924452987},{"date":"2022-03-04","current":21.2883,"twenty":-10.347533,"median":51.284227,"eighty":90.848511,"marketCap":796310989},{"date":"2022-03-11","current":17.879428,"twenty":-10.338604,"median":50.760908,"eighty":89.697688,"marketCap":636896241},{"date":"2022-03-18","current":22.302596,"twenty":-10.329663,"median":50.407255,"eighty":89.018364,"marketCap":791734489},{"date":"2022-03-25","current":21.13447,"twenty":-10.321495,"median":50.116591,"eighty":88.991176,"marketCap":749783240},{"date":"2022-04-01","current":21.147331,"twenty":-10.30648,"median":49.553186,"eighty":88.762673,"marketCap":750545990},{"date":"2022-04-08","current":20.506143,"twenty":-10.272924,"median":49.386615,"eighty":88.46619,"marketCap":727663490},{"date":"2022-04-14","current":19.235068,"twenty":-10.243997,"median":49.069126,"eighty":88.309875,"marketCap":681135741},{"date":"2022-04-22","current":18.75385,"twenty":-10.22527,"median":48.338205,"eighty":88.210197,"marketCap":651388491},{"date":"2022-04-29","current":21.49827,"twenty":-10.179595,"median":47.81534,"eighty":88.096,"marketCap":734621688},{"date":"2022-05-06","current":18.802359,"twenty":-10.077067,"median":47.653636,"eighty":87.965762,"marketCap":636928542},{"date":"2022-05-13","current":17.73513,"twenty":-10.020966,"median":47.600663,"eighty":87.845847,"marketCap":590005062},{"date":"2022-05-20","current":17.805845,"twenty":-10.01365,"median":47.080075,"eighty":87.660283,"marketCap":600774385},{"date":"2022-05-27","current":19.75789,"twenty":-9.985666,"median":46.734248,"eighty":87.615854,"marketCap":594620487},{"date":"2022-06-03","current":19.083824,"twenty":-9.951147,"median":46.476494,"eighty":87.564436,"marketCap":577697264},{"date":"2022-06-10","current":20.604986,"twenty":-9.942408,"median":46.366385,"eighty":87.427801,"marketCap":619236082},{"date":"2022-06-17","current":19.860167,"twenty":-9.915267,"median":46.099257,"eighty":87.261748,"marketCap":596158961},{"date":"2022-06-24","current":23.658763,"twenty":-9.889511,"median":45.769317,"eighty":87.261366,"marketCap":713083041},{"date":"2022-07-01","current":21.808224,"twenty":-9.855988,"median":45.675892,"eighty":87.256861,"marketCap":656159476},{"date":"2022-07-08","current":18.5913,"twenty":-9.844599,"median":45.657807,"eighty":87.114853,"marketCap":560004805},{"date":"2022-07-15","current":18.510701,"twenty":-9.840794,"median":45.635873,"eighty":86.994121,"marketCap":552312431},{"date":"2022-07-22","current":17.104341,"twenty":-9.832484,"median":45.596236,"eighty":86.816053,"marketCap":510773613},{"date":"2022-07-29","current":16.674636,"twenty":-9.808969,"median":45.463541,"eighty":86.758232,"marketCap":498465815},{"date":"2022-08-05","current":16.175639,"twenty":-9.794457,"median":45.374558,"eighty":86.250695,"marketCap":482311830},{"date":"2022-08-12","current":18.779966,"twenty":-9.78671,"median":45.367697,"eighty":86.053965,"marketCap":561543280},{"date":"2022-08-19","current":25.938008,"twenty":-9.778717,"median":45.33222,"eighty":85.938318,"marketCap":472311745},{"date":"2022-08-26","current":26.144212,"twenty":-9.774806,"median":45.239734,"eighty":85.90237,"marketCap":472311745},{"date":"2022-09-02","current":23.086634,"twenty":-9.719538,"median":44.955389,"eighty":85.767701,"marketCap":415388179},{"date":"2022-09-09","current":23.130384,"twenty":-9.692051,"median":44.815578,"eighty":85.690035,"marketCap":414618942},{"date":"2022-09-16","current":21.571812,"twenty":-9.659586,"median":44.667179,"eighty":85.654951,"marketCap":383080210},{"date":"2022-09-23","current":20.095428,"twenty":-9.6069,"median":44.159789,"eighty":85.464692,"marketCap":350003003},{"date":"2022-09-30","current":18.073673,"twenty":-9.544191,"median":43.580122,"eighty":85.263506,"marketCap":315387321},{"date":"2022-10-07","current":15.51778,"twenty":-9.515173,"median":43.016859,"eighty":85.187235,"marketCap":270771554},{"date":"2022-10-14","current":14.347476,"twenty":-9.430934,"median":42.423142,"eighty":85.170077,"marketCap":247694433},{"date":"2022-10-21","current":14.131994,"twenty":-9.321375,"median":41.960172,"eighty":85.12678,"marketCap":242309771},{"date":"2022-10-28","current":12.133549,"twenty":-9.247923,"median":41.554977,"eighty":85.067294,"marketCap":207694089},{"date":"2022-11-04","current":13.931141,"twenty":-9.162769,"median":41.229389,"eighty":85.042096,"marketCap":240771296},{"date":"2022-11-11","current":14.180079,"twenty":-9.098472,"median":41.088747,"eighty":84.896886,"marketCap":247694433},{"date":"2022-11-18","current":15.572806,"twenty":-9.043006,"median":40.721243,"eighty":84.794203,"marketCap":271540791},{"date":"2022-11-25","current":51.072914,"twenty":-9.003713,"median":41.070406,"eighty":84.668873,"marketCap":251540619},{"date":"2022-12-02","current":65.133309,"twenty":-8.968011,"median":41.192279,"eighty":84.429727,"marketCap":327695119},{"date":"2022-12-09","current":88.033513,"twenty":-8.782221,"median":41.544888,"eighty":84.429727,"marketCap":446926911},{"date":"2022-12-16","current":74.861842,"twenty":-8.487808,"median":41.86715,"eighty":84.429727,"marketCap":379234023},{"date":"2022-12-23","current":76.095779,"twenty":-0.303461,"median":42.117136,"eighty":84.261726,"marketCap":384618685},{"date":"2022-12-30","current":78.57093,"twenty":11.893768,"median":42.859877,"eighty":84.10972,"marketCap":402311144},{"date":"2023-01-06","current":78.182982,"twenty":12.048657,"median":43.114812,"eighty":84.341078,"marketCap":403849619},{"date":"2023-01-13","current":79.360289,"twenty":12.078381,"median":43.998092,"eighty":84.142697,"marketCap":417695891},{"date":"2023-01-20","current":75.78697,"twenty":12.122515,"median":44.277481,"eighty":84.010789,"marketCap":394618770},{"date":"2023-01-27","current":84.957676,"twenty":12.170263,"median":44.69859,"eighty":84.182373,"marketCap":442311487},{"date":"2023-02-03","current":76.740736,"twenty":12.47788,"median":44.868459,"eighty":84.010789,"marketCap":400772669},{"date":"2023-02-10","current":69.0922,"twenty":12.570955,"median":45.183246,"eighty":83.948522,"marketCap":358464614},{"date":"2023-02-17","current":70.005455,"twenty":12.640679,"median":45.270936,"eighty":83.799877,"marketCap":360003089},{"date":"2023-02-24","current":66.059219,"twenty":12.66387,"median":45.33592,"eighty":83.754392,"marketCap":335387493},{"date":"2023-03-03","current":66.18895,"twenty":12.716036,"median":45.368295,"eighty":83.716082,"marketCap":338464442},{"date":"2023-03-10","current":54.285541,"twenty":13.138384,"median":45.413619,"eighty":83.692277,"marketCap":276925453},{"date":"2023-03-17","current":59.695801,"twenty":13.417594,"median":45.46436,"eighty":83.662761,"marketCap":306156473},{"date":"2023-03-24","current":-41.011955,"twenty":12.624402,"median":45.413619,"eighty":83.561529,"marketCap":295387150},{"date":"2023-03-31","current":-44.226953,"twenty":12.111482,"median":45.368295,"eighty":83.422416,"marketCap":318464271},{"date":"2023-04-06","current":-38.709035,"twenty":-0.303461,"median":45.33962,"eighty":83.365292,"marketCap":278463927},{"date":"2023-04-14","current":-40.166306,"twenty":-9.003713,"median":45.270936,"eighty":83.349696,"marketCap":289233251},{"date":"2023-04-21","current":-39.545492,"twenty":-9.260171,"median":45.183246,"eighty":83.321388,"marketCap":284617826},{"date":"2023-04-28","current":-39.411679,"twenty":-9.556832,"median":44.868459,"eighty":83.288477,"marketCap":281540877},{"date":"2023-05-05","current":-38.477846,"twenty":-9.746891,"median":44.69859,"eighty":83.121547,"marketCap":275386978},{"date":"2023-05-12","current":-39.009132,"twenty":-9.799026,"median":44.277481,"eighty":82.693318,"marketCap":277694690},{"date":"2023-05-19","current":-43.04109,"twenty":-9.850294,"median":43.849683,"eighty":82.337077,"marketCap":302384554},{"date":"2023-05-26","current":-27.279838,"twenty":-9.950256,"median":43.065835,"eighty":82.277149,"marketCap":309327057},{"date":"2023-06-02","current":-23.745883,"twenty":-10.022168,"median":42.794512,"eighty":82.218002,"marketCap":268443431},{"date":"2023-06-09","current":-29.743002,"twenty":-10.249975,"median":41.971314,"eighty":82.18035,"marketCap":335554288},{"date":"2023-06-16","current":-31.685515,"twenty":-10.333533,"median":41.669597,"eighty":82.129009,"marketCap":356381796},{"date":"2023-06-23","current":-27.889479,"twenty":-10.359977,"median":41.511323,"eighty":82.087125,"marketCap":311641224},{"date":"2023-06-30","current":-28.309794,"twenty":-10.390602,"median":41.192279,"eighty":82.036964,"marketCap":313184003},{"date":"2023-07-07","current":-29.005077,"twenty":-10.441903,"median":41.088747,"eighty":81.998269,"marketCap":320897894},{"date":"2023-07-14","current":-28.465967,"twenty":-10.485537,"median":40.721243,"eighty":81.797735,"marketCap":319355116},{"date":"2023-07-21","current":-26.014342,"twenty":-10.539091,"median":40.326893,"eighty":81.637421,"marketCap":290813717},{"date":"2023-07-28","current":-26.76331,"twenty":-10.633583,"median":39.420838,"eighty":81.541455,"marketCap":299298997},{"date":"2023-08-04","current":-28.526474,"twenty":-10.672649,"median":39.011472,"eighty":81.383106,"marketCap":319355116},{"date":"2023-08-11","current":-26.163329,"twenty":-10.731812,"median":38.255777,"eighty":81.26387,"marketCap":290813717},{"date":"2023-08-18","current":-18.593559,"twenty":-10.787154,"median":37.606845,"eighty":81.19893,"marketCap":246073145},{"date":"2023-08-25","current":-17.335939,"twenty":-10.909834,"median":37.111187,"eighty":81.173265,"marketCap":229873972},{"date":"2023-09-01","current":-17.987445,"twenty":-10.971388,"median":36.94081,"eighty":81.105399,"marketCap":239130642},{"date":"2023-09-08","current":-17.282875,"twenty":-11.015022,"median":36.014583,"eighty":81.054392,"marketCap":227559805},{"date":"2023-09-15","current":-17.335939,"twenty":-11.05928,"median":35.075301,"eighty":81.018948,"marketCap":229873972},{"date":"2023-09-22","current":-15.802103,"twenty":-11.130303,"median":34.100075,"eighty":80.971716,"marketCap":208660770},{"date":"2023-09-29","current":-16.693179,"twenty":-11.150262,"median":33.656506,"eighty":80.947044,"marketCap":220617302},{"date":"2023-10-06","current":-15.058473,"twenty":-11.233061,"median":33.136317,"eighty":80.897498,"marketCap":199018405},{"date":"2023-10-13","current":-14.240565,"twenty":-11.29077,"median":32.930289,"eighty":80.802463,"marketCap":188218957},{"date":"2023-10-20","current":-12.104964,"twenty":-11.331376,"median":32.817685,"eighty":80.700887,"marketCap":159677558},{"date":"2023-10-27","current":-11.522386,"twenty":-11.364952,"median":32.889896,"eighty":80.780212,"marketCap":151963666},{"date":"2023-11-03","current":-13.919685,"twenty":-11.396208,"median":32.889896,"eighty":80.780212,"marketCap":183590622},{"date":"2023-11-10","current":-12.867477,"twenty":-11.43508,"median":32.889896,"eighty":80.780212,"marketCap":170477006},{"date":"2023-11-17","current":-13.372889,"twenty":-11.485963,"median":32.889896,"eighty":80.780212,"marketCap":178190898},{"date":"2023-11-24","current":-7.275362,"twenty":-11.471137,"median":32.889896,"eighty":80.780212,"marketCap":182047844},{"date":"2023-12-01","current":-7.204113,"twenty":-11.467243,"median":32.889896,"eighty":80.780212,"marketCap":180505065},{"date":"2023-12-08","current":-6.817298,"twenty":-11.435526,"median":32.849503,"eighty":80.75796,"marketCap":170588264},{"date":"2023-12-15","current":-6.713531,"twenty":-11.435526,"median":32.849503,"eighty":80.75796,"marketCap":169037461},{"date":"2023-12-22","current":-6.781749,"twenty":-11.435526,"median":32.849503,"eighty":80.75796,"marketCap":169812862},{"date":"2023-12-29","current":-7.087075,"twenty":-11.443548,"median":32.889896,"eighty":80.780212,"marketCap":178342276},{"date":"2024-01-05","current":-6.569763,"twenty":-11.451571,"median":32.930289,"eighty":80.802463,"marketCap":164385054},{"date":"2024-01-12","current":-6.225829,"twenty":-11.451571,"median":32.930289,"eighty":80.802463,"marketCap":155855641},{"date":"2024-01-19","current":-5.695382,"twenty":-11.459593,"median":32.977505,"eighty":80.824715,"marketCap":141510719},{"date":"2024-01-26","current":-5.915005,"twenty":-11.451571,"median":32.930289,"eighty":80.802463,"marketCap":148101629},{"date":"2024-02-02","current":-5.449338,"twenty":-11.451571,"median":32.930289,"eighty":80.802463,"marketCap":135695210},{"date":"2024-02-09","current":-5.245129,"twenty":-11.451571,"median":32.930289,"eighty":80.802463,"marketCap":131042802},{"date":"2024-02-16","current":-5.905465,"twenty":-11.451571,"median":32.930289,"eighty":80.802463,"marketCap":147326228},{"date":"2024-02-23","current":-5.459128,"twenty":-11.451571,"median":32.930289,"eighty":80.802463,"marketCap":135695210},{"date":"2024-03-01","current":-5.737086,"twenty":-11.443548,"median":32.889896,"eighty":80.780212,"marketCap":142673820},{"date":"2024-03-08","current":-5.458597,"twenty":-11.443548,"median":32.889896,"eighty":80.780212,"marketCap":135695210},{"date":"2024-03-15","current":-5.865067,"twenty":-11.443548,"median":32.889896,"eighty":80.780212,"marketCap":145775425},{"date":"2024-03-22","current":-3.573165,"twenty":-11.396208,"median":32.889896,"eighty":80.780212,"marketCap":134919808},{"date":"2024-03-28","current":-3.504502,"twenty":-11.348878,"median":32.889896,"eighty":80.780212,"marketCap":131818204},{"date":"2024-04-05","current":-3.961914,"twenty":-11.060995,"median":32.930289,"eighty":80.802463,"marketCap":148877030},{"date":"2024-04-12","current":-4.933942,"twenty":-10.882814,"median":32.930289,"eighty":80.802463,"marketCap":185320886},{"date":"2024-04-19","current":-4.191388,"twenty":-10.431248,"median":32.930289,"eighty":80.802463,"marketCap":157406443},{"date":"2024-04-26","current":-4.239613,"twenty":-7.682284,"median":32.889896,"eighty":80.780212,"marketCap":159076834},{"date":"2024-05-03","current":-4.918012,"twenty":-7.268703,"median":32.889896,"eighty":80.780212,"marketCap":184684325},{"date":"2024-05-10","current":-4.98803,"twenty":-7.100135,"median":32.889896,"eighty":80.780212,"marketCap":187788263},{"date":"2024-05-17","current":-5.090312,"twenty":-6.795969,"median":32.889896,"eighty":80.780212,"marketCap":191668186},{"date":"2024-05-24","current":-4.199534,"twenty":-6.646187,"median":32.889896,"eighty":80.780212,"marketCap":154420927},{"date":"2024-05-31","current":-4.326213,"twenty":-6.581199,"median":32.889896,"eighty":80.780212,"marketCap":159076834},{"date":"2024-06-07","current":-4.054386,"twenty":-6.35348,"median":32.889896,"eighty":80.780212,"marketCap":148989035},{"date":"2024-06-14","current":-3.80576,"twenty":-6.116313,"median":32.889896,"eighty":80.780212,"marketCap":139677220},{"date":"2024-06-21","current":-3.89312,"twenty":-5.911189,"median":32.930289,"eighty":80.802463,"marketCap":142781159},{"date":"2024-06-28","current":-3.68458,"twenty":-5.82829,"median":32.930289,"eighty":80.802463,"marketCap":135021313},{"date":"2024-07-05","current":-4.035312,"twenty":-5.725727,"median":32.930289,"eighty":80.802463,"marketCap":147825058},{"date":"2024-07-12","current":-4.731879,"twenty":-5.638917,"median":32.930289,"eighty":80.802463,"marketCap":173820541},{"date":"2024-07-19","current":-4.342641,"twenty":-5.509141,"median":32.930289,"eighty":80.802463,"marketCap":159076834},{"date":"2024-07-26","current":-4.308558,"twenty":-5.454893,"median":32.930289,"eighty":80.802463,"marketCap":158300850},{"date":"2024-08-02","current":-3.983511,"twenty":-5.32536,"median":32.930289,"eighty":80.802463,"marketCap":148213050},{"date":"2024-08-09","current":-3.821302,"twenty":-5.257618,"median":32.930289,"eighty":80.802463,"marketCap":142005174},{"date":"2024-08-16","current":-3.518468,"twenty":-5.038023,"median":32.930289,"eighty":80.802463,"marketCap":142005174},{"date":"2024-08-23","current":-3.514349,"twenty":-4.892076,"median":32.930289,"eighty":80.802463,"marketCap":142781159},{"date":"2024-08-30","current":-3.574765,"twenty":-4.892076,"median":32.67372,"eighty":80.222952,"marketCap":145885097},{"date":"2024-09-06","current":-3.441269,"twenty":-4.892076,"median":31.999646,"eighty":79.934475,"marketCap":140453205},{"date":"2024-09-13","current":-3.406464,"twenty":-4.892076,"median":30.566703,"eighty":79.221292,"marketCap":138901236},{"date":"2024-09-20","current":-3.556359,"twenty":-4.892076,"median":29.106753,"eighty":78.881463,"marketCap":145885097},{"date":"2024-09-27","current":-4.1747,"twenty":-4.892076,"median":28.432334,"eighty":78.290797,"marketCap":172268572},{"date":"2024-10-04","current":-5.326069,"twenty":-4.966395,"median":27.899257,"eighty":77.674733,"marketCap":217275676},{"date":"2024-10-11","current":-5.022691,"twenty":-5.047233,"median":27.334783,"eighty":76.889603,"marketCap":205635908},{"date":"2024-10-18","current":-4.570798,"twenty":-5.047233,"median":26.680683,"eighty":76.074325,"marketCap":186236294},{"date":"2024-10-25","current":-4.33509,"twenty":-5.047233,"median":26.13039,"eighty":75.263825,"marketCap":176148495},{"date":"2024-11-01","current":-4.412968,"twenty":-5.047233,"median":25.65845,"eighty":74.845482,"marketCap":179252433},{"date":"2024-11-08","current":-4.116326,"twenty":-5.047233,"median":25.325975,"eighty":74.363662,"marketCap":166060695},{"date":"2024-11-15","current":-3.848723,"twenty":-5.047233,"median":24.926525,"eighty":73.923972,"marketCap":154420927},{"date":"2024-11-22","current":-4.146766,"twenty":-5.047233,"median":24.707743,"eighty":72.934643,"marketCap":143557143},{"date":"2024-11-29","current":-4.167335,"twenty":-5.047233,"median":24.341131,"eighty":72.827537,"marketCap":144333128},{"date":"2024-12-06","current":-4.273241,"twenty":-5.047233,"median":23.625081,"eighty":72.827537,"marketCap":147437066},{"date":"2024-12-13","current":-4.141483,"twenty":-5.047233,"median":23.130384,"eighty":72.827537,"marketCap":142781159},{"date":"2024-12-20","current":-3.972581,"twenty":-5.047233,"median":22.570549,"eighty":72.827537,"marketCap":136573282},{"date":"2024-12-27","current":-4.267119,"twenty":-5.047233,"median":22.438212,"eighty":72.827537,"marketCap":146661081},{"date":"2025-01-03","current":-4.007639,"twenty":-5.047233,"median":22.314105,"eighty":72.827537,"marketCap":137349267},{"date":"2025-01-10","current":-3.87898,"twenty":-5.050211,"median":22.154401,"eighty":72.861291,"marketCap":132693359},{"date":"2025-01-17","current":-4.30551,"twenty":-5.050211,"median":21.996855,"eighty":72.861291,"marketCap":147437066},{"date":"2025-01-24","current":-4.459961,"twenty":-5.050211,"median":21.819577,"eighty":72.861291,"marketCap":154420927},{"date":"2025-01-31","current":-4.531071,"twenty":-5.050211,"median":21.535041,"eighty":72.861291,"marketCap":156748881},{"date":"2025-02-07","current":-4.667431,"twenty":-5.050211,"median":21.309326,"eighty":72.861291,"marketCap":160628803},{"date":"2025-02-14","current":-5.160771,"twenty":-5.082887,"median":20.920355,"eighty":72.861291,"marketCap":178476448},{"date":"2025-02-21","current":-5.248427,"twenty":-5.105174,"median":20.720298,"eighty":72.861291,"marketCap":181580387},{"date":"2025-02-28","current":-5.610057,"twenty":-5.208683,"median":20.61975,"eighty":72.861291,"marketCap":193220155},{"date":"2025-03-07","current":-5.393424,"twenty":-5.272027,"median":20.188262,"eighty":72.895046,"marketCap":187012278},{"date":"2025-03-14","current":-6.0903,"twenty":-5.307206,"median":20.091701,"eighty":72.895046,"marketCap":211067800},{"date":"2025-03-21","current":-11.268901,"twenty":-5.393424,"median":20.028538,"eighty":72.895046,"marketCap":300306024},{"date":"2025-03-28","current":-13.185207,"twenty":-5.462771,"median":19.931037,"eighty":72.895046,"marketCap":350745021},{"date":"2025-04-04","current":-9.358436,"twenty":-5.502587,"median":19.931037,"eighty":72.895046,"marketCap":248315059},{"date":"2025-04-11","current":-8.091277,"twenty":-5.605278,"median":19.921197,"eighty":72.861291,"marketCap":214171738},{"date":"2025-04-17","current":-8.531137,"twenty":-5.648794,"median":19.921197,"eighty":72.861291,"marketCap":225811506},{"date":"2025-04-25","current":-10.351864,"twenty":-5.708689,"median":19.845864,"eighty":72.895046,"marketCap":274433181},{"date":"2025-05-02","current":-10.386256,"twenty":-5.79113,"median":19.622811,"eighty":72.895046,"marketCap":275992460},{"date":"2025-05-09","current":-9.783375,"twenty":-5.879955,"median":19.348153,"eighty":72.895046,"marketCap":261179306},{"date":"2025-05-16","current":-11.140199,"twenty":-6.009421,"median":18.999658,"eighty":72.895046,"marketCap":298602012},{"date":"2025-05-23","current":-11.4417,"twenty":-6.156693,"median":18.802359,"eighty":72.895046,"marketCap":281449938},{"date":"2025-05-30","current":-12.358312,"twenty":-6.345037,"median":18.75385,"eighty":72.895046,"marketCap":304839130},{"date":"2025-06-06","current":-10.853567,"twenty":-6.569763,"median":18.510701,"eighty":72.895046,"marketCap":268196063},{"date":"2025-06-13","current":-10.317774,"twenty":-6.682199,"median":18.222043,"eighty":72.895046,"marketCap":254942188},{"date":"2025-06-20","current":-12.267244,"twenty":-6.788859,"median":18.126694,"eighty":72.908245,"marketCap":302500211},{"date":"2025-06-27","current":-10.719588,"twenty":-7.093605,"median":17.90138,"eighty":72.908245,"marketCap":265077504},{"date":"2025-07-03","current":-10.593175,"twenty":-7.216143,"median":17.663694,"eighty":72.908245,"marketCap":261958945},{"date":"2025-07-11","current":-10.85629,"twenty":-7.569615,"median":17.273414,"eighty":71.930555,"marketCap":268196063},{"date":"2025-07-18","current":-11.052114,"twenty":-8.233982,"median":16.928089,"eighty":71.636676,"marketCap":272873902},{"date":"2025-07-25","current":-11.738031,"twenty":-8.734704,"median":16.682671,"eighty":71.636676,"marketCap":290805615},{"date":"2025-08-01","current":-11.399393,"twenty":-9.225441,"median":16.436547,"eighty":71.604365,"marketCap":280670299},{"date":"2025-08-08","current":-11.812933,"twenty":-9.945871,"median":16.04305,"eighty":70.204913,"marketCap":291585255},{"date":"2025-08-15","current":-19.142064,"twenty":-10.137386,"median":15.545293,"eighty":69.489098,"marketCap":390599499},{"date":"2025-08-22","current":-17.775751,"twenty":-10.315691,"median":14.88852,"eighty":69.489098,"marketCap":362532469},{"date":"2025-08-26","current":-17.250218,"twenty":-10.358742,"median":14.513075,"eighty":69.413682,"marketCap":353176793}],"updateTime":1756338776723},"$inf$@#url:\"https://stock-news.skytigris.cn/v3/notice/important/events/list\",params:#symbol:\"NIU\",pageSize:20,pageCount:1,market:\"us\",,,undefined,":[{"items":[{"cdn_pdf":false,"hasAttachments":true,"id":"19416778","market":"us","labels":[],"media":"sec.gov","original_id":"AN141057825000798-NIU","pdf_url":"","pub_time":1744948800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 20-F - Annual and transition report of foreign private issuers [Sections 13 or 15(d)]","symbol":"NIU","title":"Form 20-F - Annual and transition report of foreign private issuers [Sections 13 or 15(d)]","titleType":"Annual Report","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/1744781/000141057825000798/0001410578-25-000798-index.htm","us_notice_code":"Form 20-F","us_title_en":"Form 20-F - Annual and transition report of foreign private issuers [Sections 13 or 15(d)]","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"20-F","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1744781/000141057825000798/niu-20241231x20f.htm","primary":true,"translateUrl":"","linkName":"niu-20241231x20f.htm","type":"20-F","id":"NTFILE5wA25PqXFN4r6Ub5","market":"us","size":4294196},{"description":"EX-4.9","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1744781/000141057825000798/niu-20241231xex4d9.htm","primary":false,"translateUrl":"","linkName":"niu-20241231xex4d9.htm","type":"EX-4.9","id":"NTFILEAG68wArLVSKkLDf5","market":"us","size":9885},{"description":"EX-4.10","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1744781/000141057825000798/niu-20241231xex4d10.htm","primary":false,"translateUrl":"","linkName":"niu-20241231xex4d10.htm","type":"EX-4.10","id":"NTFILE51E9kDZCP98yd7Zn","market":"us","size":166756},{"description":"EX-4.11","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1744781/000141057825000798/niu-20241231xex4d11.htm","primary":false,"translateUrl":"","linkName":"niu-20241231xex4d11.htm","type":"EX-4.11","id":"NTFILEG2speqM33RHTvNua","market":"us","size":141448},{"description":"EX-8.1","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1744781/000141057825000798/niu-20241231xex8d1.htm","primary":false,"translateUrl":"","linkName":"niu-20241231xex8d1.htm","type":"EX-8.1","id":"NTFILEECYSv99vPRNiDCYY","market":"us","size":14968},{"description":"EX-11.2","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1744781/000141057825000798/niu-20241231xex11d2.htm","primary":false,"translateUrl":"","linkName":"niu-20241231xex11d2.htm","type":"EX-11.2","id":"NTFILE4SzWDz7hyJ1tKiYc","market":"us","size":71182},{"description":"EX-12.1","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1744781/000141057825000798/niu-20241231xex12d1.htm","primary":false,"translateUrl":"","linkName":"niu-20241231xex12d1.htm","type":"EX-12.1","id":"NTFILE4UyCTBXr36zX3g3x","market":"us","size":13180},{"description":"EX-12.2","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1744781/000141057825000798/niu-20241231xex12d2.htm","primary":false,"translateUrl":"","linkName":"niu-20241231xex12d2.htm","type":"EX-12.2","id":"NTFILE2hx2zpg1Eytou8r5","market":"us","size":12378},{"description":"EX-13.1","seq":9,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1744781/000141057825000798/niu-20241231xex13d1.htm","primary":false,"translateUrl":"","linkName":"niu-20241231xex13d1.htm","type":"EX-13.1","id":"NTFILE96GH6sjGe5c2Jf8T","market":"us","size":7531},{"description":"EX-13.2","seq":10,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1744781/000141057825000798/niu-20241231xex13d2.htm","primary":false,"translateUrl":"","linkName":"niu-20241231xex13d2.htm","type":"EX-13.2","id":"NTFILE8K23Q7An7NgHF4S3","market":"us","size":6936},{"description":"EX-15.1","seq":11,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1744781/000141057825000798/niu-20241231xex15d1.htm","primary":false,"translateUrl":"","linkName":"niu-20241231xex15d1.htm","type":"EX-15.1","id":"NTFILE4BQRdBEEuygq1mAX","market":"us","size":3882},{"description":"EX-15.2","seq":12,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1744781/000141057825000798/niu-20241231xex15d2.htm","primary":false,"translateUrl":"","linkName":"niu-20241231xex15d2.htm","type":"EX-15.2","id":"NTFILE6g6Xb7kpJGd9HTV7","market":"us","size":5539},{"description":"GRAPHIC","seq":13,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1744781/000141057825000798/niu-20241231x20f004.jpg","primary":false,"translateUrl":"","linkName":"niu-20241231x20f004.jpg","type":"GRAPHIC","id":"NTFILEFnf2am9Pct33Fu4K","market":"us","size":53238}],"type_name":"Financial Report","type_name_en":"Financial Report","titleTypeEn":"Annual Report","us_type":"财务报告","us_type_zh":"财务报告","earn_infos":[],"event_type":"important_notice","event_name":"Annual Report","pubTime":"2025-04-18 12:00","pubTimestamp":1744948800,"title_zh":"Form 20-F - Annual and transition report of foreign private issuers [Sections 13 or 15(d","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"19247252","market":"us","labels":[],"media":"sec.gov","original_id":"AN197337925000104-NIU","pdf_url":"","pub_time":1742184000000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 144 - Report of proposed sale of securities","symbol":"NIU","title":"Form 144 - Report of proposed sale of securities","titleType":"Proposed Sale Of Securities","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1744781/000197337925000104/0001973379-25-000104-index.htm","us_notice_code":"Form 144","us_title_en":"Form 144 - Report of proposed sale of securities","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1744781/000197337925000104/xsl144X01/primary_doc.xml","primary":true,"translateUrl":"","linkName":"primary_doc.html","type":"144","id":"NTFILE7dvopdNyEWqCNCas","market":"us","size":0}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Proposed Sale Of Securities","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Proposed Sale Of Securities","pubTime":"2025-03-17 12:00","pubTimestamp":1742184000,"title_zh":"Form 144 - Report of proposed sale of securities","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"17969284","market":"us","labels":[],"media":"sec.gov","original_id":"AN110465924050863-NIU","pdf_url":"","pub_time":1713931200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form S-8 - Securities to be offered to employees in employee benefit plans","symbol":"NIU","title":"Form S-8 - Securities to be offered to employees in employee benefit plans","titleType":"Employee Stock Ownership","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1744781/000110465924050863/0001104659-24-050863-index.htm","us_notice_code":"Form S-8","us_title_en":"Form S-8 - Securities to be offered to employees in employee benefit plans","is_important":0,"hasEarnInfos":false,"gpt_zh_title":null,"gpt_en_title":null,"attachments":[{"description":"FORM S-8","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1744781/000110465924050863/tm2412357d1_s8.htm","primary":true,"translateUrl":"","linkName":"tm2412357d1_s8.htm","type":"S-8","id":"NTFILE2Q874MnY1CReCigr","market":"us","size":61400},{"description":"EXHIBIT 5.1","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1744781/000110465924050863/tm2412357d1_ex5-1.htm","primary":false,"translateUrl":"","linkName":"tm2412357d1_ex5-1.htm","type":"EX-5.1","id":"NTFILEBWsY3Vn8zNqbMSLx","market":"us","size":12930},{"description":"EXHIBIT 23.1","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1744781/000110465924050863/tm2412357d1_ex23-1.htm","primary":false,"translateUrl":"","linkName":"tm2412357d1_ex23-1.htm","type":"EX-23.1","id":"NTFILEEou7eTubb3FBmV7H","market":"us","size":1917},{"description":"EX-FILING FEES","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1744781/000110465924050863/tm2412357d1_ex-filingfees.htm","primary":false,"translateUrl":"","linkName":"tm2412357d1_ex-filingfees.htm","type":"EX-FILING FEES","id":"NTFILE9aMF7phP4RXj3P9i","market":"us","size":18801},{"description":"GRAPHIC","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1744781/000110465924050863/tm2412357d1_ex5-1img01.jpg","primary":false,"translateUrl":"","linkName":"tm2412357d1_ex5-1img01.jpg","type":"GRAPHIC","id":"NTFILECysCNtWzESsgByQw","market":"us","size":3536}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Employee Stock Ownership","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Employee Stock Ownership","pubTime":"2024-04-24 12:00","pubTimestamp":1713931200,"title_zh":"Form S-8 - Securities to be offered to employees in employee benefit plans","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"17967205","market":"us","labels":[],"media":"sec.gov","original_id":"AN110465924050776-NIU","pdf_url":"","pub_time":1713931200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 20-F - Annual and transition report of foreign private issuers [Sections 13 or 15(d)]","symbol":"NIU","title":"Form 20-F - Annual and transition report of foreign private issuers [Sections 13 or 15(d)]","titleType":"Annual Report","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/1744781/000110465924050776/0001104659-24-050776-index.htm","us_notice_code":"Form 20-F","us_title_en":"Form 20-F - Annual and transition report of foreign private issuers [Sections 13 or 15(d)]","is_important":0,"hasEarnInfos":false,"gpt_zh_title":null,"gpt_en_title":null,"attachments":[{"description":"FORM 20-F","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1744781/000110465924050776/niu-20231231x20f.htm","primary":true,"translateUrl":"","linkName":"niu-20231231x20f.htm","type":"20-F","id":"NTFILEGAX5ojUHYoggBWuc","market":"us","size":4426781},{"description":"EXHIBIT 8.1","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1744781/000110465924050776/niu-20231231xex8d1.htm","primary":false,"translateUrl":"","linkName":"niu-20231231xex8d1.htm","type":"EX-8.1","id":"NTFILEHoxM6e7WuiLUnqfQ","market":"us","size":8718},{"description":"EXHIBIT 12.1","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1744781/000110465924050776/niu-20231231xex12d1.htm","primary":false,"translateUrl":"","linkName":"niu-20231231xex12d1.htm","type":"EX-12.1","id":"NTFILE428AhAys1yHA41We","market":"us","size":12980},{"description":"EXHIBIT 12.2","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1744781/000110465924050776/niu-20231231xex12d2.htm","primary":false,"translateUrl":"","linkName":"niu-20231231xex12d2.htm","type":"EX-12.2","id":"NTFILE2EX4HCjwrHz1ofvq","market":"us","size":12080},{"description":"EXHIBIT 13.1","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1744781/000110465924050776/niu-20231231xex13d1.htm","primary":false,"translateUrl":"","linkName":"niu-20231231xex13d1.htm","type":"EX-13.1","id":"NTFILE8gx5LnKkbwjLSLgS","market":"us","size":7581},{"description":"EXHIBIT 13.2","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1744781/000110465924050776/niu-20231231xex13d2.htm","primary":false,"translateUrl":"","linkName":"niu-20231231xex13d2.htm","type":"EX-13.2","id":"NTFILEBwTwiyXX9JJawZEv","market":"us","size":6831},{"description":"EXHIBIT 15.1","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1744781/000110465924050776/niu-20231231xex15d1.htm","primary":false,"translateUrl":"","linkName":"niu-20231231xex15d1.htm","type":"EX-15.1","id":"NTFILEHB1QkpBp5CNKYVgR","market":"us","size":3355},{"description":"EXHIBIT 15.2","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1744781/000110465924050776/niu-20231231xex15d2.htm","primary":false,"translateUrl":"","linkName":"niu-20231231xex15d2.htm","type":"EX-15.2","id":"NTFILEEVEdzoXJT3qBQAiM","market":"us","size":4632},{"description":"EXHIBIT 97","seq":9,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1744781/000110465924050776/niu-20231231xex97.htm","primary":false,"translateUrl":"","linkName":"niu-20231231xex97.htm","type":"EX-97","id":"NTFILE6o8AKZPJHJqGVjaz","market":"us","size":42524},{"description":"GRAPHIC","seq":15,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1744781/000110465924050776/niu-20231231x20f001.jpg","primary":false,"translateUrl":"","linkName":"niu-20231231x20f001.jpg","type":"GRAPHIC","id":"NTFILE8r4Wg3yjMzdcZ5fn","market":"us","size":100266},{"description":"GRAPHIC","seq":16,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1744781/000110465924050776/niu-20231231x20f005.jpg","primary":false,"translateUrl":"","linkName":"niu-20231231x20f005.jpg","type":"GRAPHIC","id":"NTFILE9f7JTHtvHfKnjSFC","market":"us","size":100140}],"type_name":"Financial Report","type_name_en":"Financial Report","titleTypeEn":"Annual Report","us_type":"财务报告","us_type_zh":"财务报告","earn_infos":[],"event_type":"important_notice","event_name":"Annual Report","pubTime":"2024-04-24 12:00","pubTimestamp":1713931200,"title_zh":"Form 20-F - Annual and transition report of foreign private issuers [Sections 13 or 15(d","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"17718621","market":"us","labels":[],"media":"sec.gov","original_id":"AN197337924000127-NIU","pdf_url":"","pub_time":1710734400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 144 - Report of proposed sale of securities","symbol":"NIU","title":"Form 144 - Report of proposed sale of securities","titleType":"Proposed Sale Of Securities","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1744781/000197337924000127/0001973379-24-000127-index.htm","us_notice_code":"Form 144","us_title_en":"Form 144 - Report of proposed sale of securities","is_important":0,"hasEarnInfos":false,"gpt_zh_title":null,"gpt_en_title":null,"attachments":[{"description":"","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1744781/000197337924000127/xsl144X01/primary_doc.xml","primary":true,"translateUrl":"","linkName":"primary_doc.html","type":"144","id":"NTFILEFsNQxvzfokksvnF9","market":"us","size":0}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Proposed Sale Of Securities","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Proposed Sale Of Securities","pubTime":"2024-03-18 12:00","pubTimestamp":1710734400,"title_zh":"Form 144 - Report of proposed sale of securities","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"17319252","market":"us","labels":[],"media":"sec.gov","original_id":"AN110465923124287-NIU","pdf_url":"","pub_time":1701982825000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form SC 13D - General statement of acquisition of beneficial ownership","symbol":"NIU","title":"Form SC 13D - General statement of acquisition of beneficial ownership","titleType":"Beneficial Ownership Change","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1744781/0001104659-23-124287-index.html","us_notice_code":"Form SC 13D","us_title_en":"Form SC 13D - General statement of acquisition of beneficial ownership","is_important":0,"hasEarnInfos":false,"gpt_zh_title":null,"gpt_en_title":null,"attachments":[{"description":"SC 13D","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1744781/000110465923124287/tm2332308d1_sc13d.htm","primary":true,"translateUrl":"","linkName":"tm2332308d1_sc13d.htm","type":"SC 13D","id":"NTFILEBXeRPK2J6ZUXofvk","market":"us","size":86441},{"description":"EXHIBIT 99.(A)","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1744781/000110465923124287/tm2332308d1_ex99-a.htm","primary":false,"translateUrl":"","linkName":"tm2332308d1_ex99-a.htm","type":"EX-99.(A)","id":"NTFILE2C4hX1D69x9GjtDE","market":"us","size":9403}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Beneficial Ownership Change","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Beneficial Ownership Change","pubTime":"2023-12-08 05:00","pubTimestamp":1701982825,"title_zh":"Form SC 13D - General statement of acquisition of beneficial ownership","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"16959535","market":"us","labels":[],"media":"sec.gov","original_id":"AN110465923088540-NIU","pdf_url":"","pub_time":1691490056000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form CORRESP - Correspondence","symbol":"NIU","title":"Form CORRESP - Correspondence","titleType":"Correspondence","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1744781/0001104659-23-088540-index.html","us_notice_code":"Form CORRESP","us_title_en":"Form CORRESP - Correspondence","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1744781/000110465923088540/filename1.htm","primary":true,"translateUrl":"","linkName":"filename1.htm","type":"CORRESP","id":"NTFILEEu2Rs5NPKDgJc67Z","market":"us","size":11568}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Correspondence","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Correspondence","pubTime":"2023-08-08 18:20","pubTimestamp":1691490056,"title_zh":"Form CORRESP - Correspondence","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"16764487","market":"us","labels":[],"media":"sec.gov","original_id":"AN110465923088518-NIU","pdf_url":"","pub_time":1691489182000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 20-F/A - Annual and transition report of foreign private issuers [Sections 13 or 15(d)]: [Amend]","symbol":"NIU","title":"Form 20-F/A - Annual and transition report of foreign private issuers [Sections 13 or 15(d)]: [Amend]","titleType":"[Rev.]Annual Report","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/1744781/000110465923088518/0001104659-23-088518-index.htm","us_notice_code":"Form 20-F/A","us_title_en":"Form 20-F/A - Annual and transition report of foreign private issuers [Sections 13 or 15(d)]: [Amend]","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"FORM 20-F/A","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1744781/000110465923088518/niu-20221231x20fa.htm","primary":true,"translateUrl":"","linkName":"niu-20221231x20fa.htm","type":"20-F/A","id":"NTFILECeg5wbDcPiYrQCwE","market":"us","size":4420903},{"description":"EXHIBIT 12.1","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1744781/000110465923088518/niu-20221231xex12d1.htm","primary":false,"translateUrl":"","linkName":"niu-20221231xex12d1.htm","type":"EX-12.1","id":"NTFILE37Xb43r3kaefZ3jU","market":"us","size":13504},{"description":"EXHIBIT 12.2","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1744781/000110465923088518/niu-20221231xex12d2.htm","primary":false,"translateUrl":"","linkName":"niu-20221231xex12d2.htm","type":"EX-12.2","id":"NTFILE9FQnnrxQECysbqq5","market":"us","size":13470},{"description":"EXHIBIT 13.1","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1744781/000110465923088518/niu-20221231xex13d1.htm","primary":false,"translateUrl":"","linkName":"niu-20221231xex13d1.htm","type":"EX-13.1","id":"NTFILEBy8RGznWcZuWXaQs","market":"us","size":7714},{"description":"EXHIBIT 13.2","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1744781/000110465923088518/niu-20221231xex13d2.htm","primary":false,"translateUrl":"","linkName":"niu-20221231xex13d2.htm","type":"EX-13.2","id":"NTFILE4U9pan9DforbpygR","market":"us","size":7708},{"description":"EXHIBIT 15.2","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1744781/000110465923088518/niu-20221231xex15d2.htm","primary":false,"translateUrl":"","linkName":"niu-20221231xex15d2.htm","type":"EX-15.2","id":"NTFILECJCWkMYbuvJQrg2z","market":"us","size":7586},{"description":"GRAPHIC","seq":12,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1744781/000110465923088518/niu-20221231x20fa001.jpg","primary":false,"translateUrl":"","linkName":"niu-20221231x20fa001.jpg","type":"GRAPHIC","id":"NTFILE3EyVrd4qQ6qLW6KC","market":"us","size":100266},{"description":"GRAPHIC","seq":13,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1744781/000110465923088518/niu-20221231x20fa005.jpg","primary":false,"translateUrl":"","linkName":"niu-20221231x20fa005.jpg","type":"GRAPHIC","id":"NTFILECPVw3wb8eueqqmF8","market":"us","size":101961},{"description":"GRAPHIC","seq":14,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1744781/000110465923088518/niu-20221231xex15d2001.jpg","primary":false,"translateUrl":"","linkName":"niu-20221231xex15d2001.jpg","type":"GRAPHIC","id":"NTFILEAnjmBVcEJ8jtdwyd","market":"us","size":5016},{"description":"GRAPHIC","seq":15,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1744781/000110465923088518/niu-20221231xex15d2002.jpg","primary":false,"translateUrl":"","linkName":"niu-20221231xex15d2002.jpg","type":"GRAPHIC","id":"NTFILE14LfAKXLxCaSF1rU","market":"us","size":2735}],"type_name":"Financial Report","type_name_en":"Financial Report","titleTypeEn":"[Rev.]Annual Report","us_type":"财务报告","us_type_zh":"财务报告","earn_infos":[],"event_type":"important_notice","event_name":"[Rev.]Annual Report","pubTime":"2023-08-08 18:06","pubTimestamp":1691489182,"title_zh":"Form 20-F/A - Annual and transition report of foreign private issuers [Sections 13 or 15(d)]: [Amend","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"16959534","market":"us","labels":[],"media":"sec.gov","original_id":"AN110465923082979-NIU","pdf_url":"","pub_time":1689959697000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form CORRESP - Correspondence","symbol":"NIU","title":"Form CORRESP - Correspondence","titleType":"Correspondence","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1744781/0001104659-23-082979-index.html","us_notice_code":"Form CORRESP","us_title_en":"Form CORRESP - Correspondence","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1744781/000110465923082979/filename1.htm","primary":true,"translateUrl":"","linkName":"filename1.htm","type":"CORRESP","id":"NTFILEG65h6U3cuBFoJ6wY","market":"us","size":14917}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Correspondence","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Correspondence","pubTime":"2023-07-22 01:14","pubTimestamp":1689959697,"title_zh":"Form CORRESP - Correspondence","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"16959533","market":"us","labels":[],"media":"sec.gov","original_id":"AN110465923079272-NIU","pdf_url":"","pub_time":1688983638000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form CORRESP - Correspondence","symbol":"NIU","title":"Form CORRESP - Correspondence","titleType":"Correspondence","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1744781/0001104659-23-079272-index.html","us_notice_code":"Form CORRESP","us_title_en":"Form CORRESP - Correspondence","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1744781/000110465923079272/filename1.htm","primary":true,"translateUrl":"","linkName":"filename1.htm","type":"CORRESP","id":"NTFILECBvWiGsQzkAZvDwm","market":"us","size":53119}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Correspondence","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Correspondence","pubTime":"2023-07-10 18:07","pubTimestamp":1688983638,"title_zh":"Form CORRESP - Correspondence","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"16275778","market":"us","labels":[],"media":"sec.gov","original_id":"AN110465923047988-NIU","pdf_url":"","pub_time":1682006400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"20-F  - Annual and transition report of foreign private issuers [Sections 13 or 15(d)]","symbol":"NIU","title":"20-F  - Annual and transition report of foreign private issuers [Sections 13 or 15(d)]","titleType":"Annual Report","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/1744781/000110465923047988/0001104659-23-047988-index.htm","us_notice_code":"Form 20-F","us_title_en":"20-F  - Annual and transition report of foreign private issuers [Sections 13 or 15(d)]","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"FORM 20-F","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1744781/000110465923047988/niu-20221231x20f.htm","primary":true,"translateUrl":"","linkName":"niu-20221231x20f.htm","type":"20-F","id":"NTFILEBNBvWr4vntmEpVVk","market":"us","size":4411806},{"description":"EXHIBIT 8.1","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1744781/000110465923047988/niu-20221231xex8d1.htm","primary":false,"translateUrl":"","linkName":"niu-20221231xex8d1.htm","type":"EX-8.1","id":"NTFILE2ytUGJwhtpFoG9y3","market":"us","size":10975},{"description":"EXHIBIT 12.1","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1744781/000110465923047988/niu-20221231xex12d1.htm","primary":false,"translateUrl":"","linkName":"niu-20221231xex12d1.htm","type":"EX-12.1","id":"NTFILEFsBYxwKQriTuaT96","market":"us","size":14570},{"description":"EXHIBIT 12.2","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1744781/000110465923047988/niu-20221231xex12d2.htm","primary":false,"translateUrl":"","linkName":"niu-20221231xex12d2.htm","type":"EX-12.2","id":"NTFILEDZjPc7MfEDF1Qj1s","market":"us","size":13763},{"description":"EXHIBIT 13.1","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1744781/000110465923047988/niu-20221231xex13d1.htm","primary":false,"translateUrl":"","linkName":"niu-20221231xex13d1.htm","type":"EX-13.1","id":"NTFILE3bpbPB7jw7kEa2mi","market":"us","size":9127},{"description":"EXHIBIT 13.2","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1744781/000110465923047988/niu-20221231xex13d2.htm","primary":false,"translateUrl":"","linkName":"niu-20221231xex13d2.htm","type":"EX-13.2","id":"NTFILE5KwdXQ6VcopCgELT","market":"us","size":8320},{"description":"EXHIBIT 15.1","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1744781/000110465923047988/niu-20221231xex15d1.htm","primary":false,"translateUrl":"","linkName":"niu-20221231xex15d1.htm","type":"EX-15.1","id":"NTFILE5PfY1Eh82G52abv4","market":"us","size":3748},{"description":"EXHIBIT 15.2","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1744781/000110465923047988/niu-20221231xex15d2.htm","primary":false,"translateUrl":"","linkName":"niu-20221231xex15d2.htm","type":"EX-15.2","id":"NTFILE68Kp889J8k7iknwv","market":"us","size":7422},{"description":"GRAPHIC","seq":14,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1744781/000110465923047988/niu-20221231x20f001.jpg","primary":false,"translateUrl":"","linkName":"niu-20221231x20f001.jpg","type":"GRAPHIC","id":"NTFILEGFC4E5qgioHFjg5E","market":"us","size":100266},{"description":"GRAPHIC","seq":15,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1744781/000110465923047988/niu-20221231x20f005.jpg","primary":false,"translateUrl":"","linkName":"niu-20221231x20f005.jpg","type":"GRAPHIC","id":"NTFILE4irbsi42kmifLJkX","market":"us","size":101961},{"description":"GRAPHIC","seq":16,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1744781/000110465923047988/niu-20221231xex15d2001.jpg","primary":false,"translateUrl":"","linkName":"niu-20221231xex15d2001.jpg","type":"GRAPHIC","id":"NTFILEktrvt1zi7gmjpiPd","market":"us","size":5111},{"description":"GRAPHIC","seq":17,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1744781/000110465923047988/niu-20221231xex15d2002.jpg","primary":false,"translateUrl":"","linkName":"niu-20221231xex15d2002.jpg","type":"GRAPHIC","id":"NTFILEEpEHYqCPKzq4zNyU","market":"us","size":2422}],"type_name":"Financial Report","type_name_en":"Financial Report","titleTypeEn":"Annual Report","us_type":"财务报告","us_type_zh":"财务报告","earn_infos":[],"event_type":"important_notice","event_name":"Annual Report","pubTime":"2023-04-21 00:00","pubTimestamp":1682006400,"title_zh":"20-F  - Annual and transition report of foreign private issuers [Sections 13 or 15(d","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"15936895","market":"us","labels":[],"media":"sec.gov","original_id":"AN114036123005796-NIU","pdf_url":"","pub_time":1675958400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","symbol":"NIU","title":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","titleType":"Beneficial Ownership Change","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1744781/000114036123005796/0001140361-23-005796-index.htm","us_notice_code":"Form SC 13G/A","us_title_en":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"SC 13G/A","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1480751/000114036123005796/brhc10047832_sc13ga.htm","primary":true,"translateUrl":"https://static.tigerbbs.com/eac13d9bc13245545f850fb8220ec9a4","linkName":"brhc10047832_sc13ga.htm","type":"SC 13G/A","id":"NTFILE7oZzYpAfxyBT5EQe","market":"us","size":72147}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Beneficial Ownership Change","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Beneficial Ownership Change","pubTime":"2023-02-10 00:00","pubTimestamp":1675958400,"title_zh":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"15936897","market":"us","labels":[],"media":"sec.gov","original_id":"AN110465923017565-NIU","pdf_url":"","pub_time":1675872000000,"showTitleType":true,"size":0,"source":"sec_us","summary":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","symbol":"NIU","title":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","titleType":"Beneficial Ownership Change","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1744781/000110465923017565/0001104659-23-017565-index.htm","us_notice_code":"Form SC 13G/A","us_title_en":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"SC 13G/A","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1744781/000110465923017565/tm236078d1_sc13ga.htm","primary":true,"translateUrl":"https://static.tigerbbs.com/33e24a56d1e26cbc16b80f856b73bd26","linkName":"tm236078d1_sc13ga.htm","type":"SC 13G/A","id":"NTFILEEcAucqAu32vrJ5xu","market":"us","size":88569}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Beneficial Ownership Change","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Beneficial Ownership Change","pubTime":"2023-02-09 00:00","pubTimestamp":1675872000,"title_zh":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"15936896","market":"us","labels":[],"media":"sec.gov","original_id":"AN110465923017582-NIU","pdf_url":"","pub_time":1675872000000,"showTitleType":true,"size":0,"source":"sec_us","summary":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","symbol":"NIU","title":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","titleType":"Beneficial Ownership Change","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1744781/000110465923017582/0001104659-23-017582-index.htm","us_notice_code":"Form SC 13G/A","us_title_en":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"SC 13G/A","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1744781/000110465923017582/tm236078d2_sc13ga.htm","primary":true,"translateUrl":"https://static.tigerbbs.com/7d8e6817e31ac9ae588c8ab77e8e1f1b","linkName":"tm236078d2_sc13ga.htm","type":"SC 13G/A","id":"NTFILEGoaqtrmtj31h5Px5","market":"us","size":116515}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Beneficial Ownership Change","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Beneficial Ownership Change","pubTime":"2023-02-09 00:00","pubTimestamp":1675872000,"title_zh":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"15936898","market":"us","labels":[],"media":"sec.gov","original_id":"AN84608723000022-NIU","pdf_url":"","pub_time":1675612800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","symbol":"NIU","title":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","titleType":"Beneficial Ownership Change","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1744781/000084608723000022/0000846087-23-000022-index.htm","us_notice_code":"Form SC 13G/A","us_title_en":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"SEC SCHEDULE 13G","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/902219/000084608723000022/SEC13G_Filing.htm","primary":true,"translateUrl":"https://static.tigerbbs.com/e9762e5f9bf77b804e1c1394760c4f97","linkName":"SEC13G_Filing.htm","type":"SC 13G/A","id":"NTFILEFRPL6vkcA5wbVxUy","market":"us","size":31194}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Beneficial Ownership Change","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Beneficial Ownership Change","pubTime":"2023-02-06 00:00","pubTimestamp":1675612800,"title_zh":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"15909760","market":"us","labels":[],"media":"sec.gov","original_id":"AN121465923001565-NIU","pdf_url":"","pub_time":1675353600000,"showTitleType":true,"size":0,"source":"sec_us","summary":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","symbol":"NIU","title":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","titleType":"Beneficial Ownership Change","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1744781/000121465923001565/0001214659-23-001565-index.htm","us_notice_code":"Form SC 13G/A","us_title_en":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"AMENDMENT NO. 1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1475365/000121465923001565/niu125234sc13ga1.htm","primary":true,"translateUrl":"https://static.tigerbbs.com/f3647212a1bad11197822cc901061d7c","linkName":"niu125234sc13ga1.htm","type":"SC 13G/A","id":"NTFILE6P1GDt6QKo1qyz3X","market":"us","size":60848}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Beneficial Ownership Change","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Beneficial Ownership Change","pubTime":"2023-02-03 00:00","pubTimestamp":1675353600,"title_zh":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"14778635","market":"us","labels":[],"media":"sec.gov","original_id":"AN110465922051148-NIU","pdf_url":"","pub_time":1650988800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"20-F  - Annual and transition report of foreign private issuers [Sections 13 or 15(d)]","symbol":"NIU","title":"20-F  - Annual and transition report of foreign private issuers [Sections 13 or 15(d)]","titleType":"Annual Report","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/1744781/000110465922051148/0001104659-22-051148-index.htm","us_notice_code":"Form 20-F","us_title_en":"20-F  - Annual and transition report of foreign private issuers [Sections 13 or 15(d)]","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"FORM 20-F","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1744781/000110465922051148/niu-20211231x20f.htm","primary":true,"translateUrl":"","linkName":"niu-20211231x20f.htm","type":"20-F","id":"NTFILE4Jp1SAsvsWPPoKu9","market":"us","size":4654321},{"description":"EXHIBIT 8.1","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1744781/000110465922051148/niu-20211231xex8d1.htm","primary":false,"translateUrl":"","linkName":"niu-20211231xex8d1.htm","type":"EX-8.1","id":"NTFILEA47Tz8t8Ejta5VPa","market":"us","size":10869},{"description":"EXHIBIT 12.1","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1744781/000110465922051148/niu-20211231xex12d1.htm","primary":false,"translateUrl":"","linkName":"niu-20211231xex12d1.htm","type":"EX-12.1","id":"NTFILEGwgSrquMxDuTG32P","market":"us","size":17344},{"description":"EXHIBIT 12.2","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1744781/000110465922051148/niu-20211231xex12d2.htm","primary":false,"translateUrl":"","linkName":"niu-20211231xex12d2.htm","type":"EX-12.2","id":"NTFILE94F7hVdyexvD9NEd","market":"us","size":16527},{"description":"EXHIBIT 13.1","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1744781/000110465922051148/niu-20211231xex13d1.htm","primary":false,"translateUrl":"","linkName":"niu-20211231xex13d1.htm","type":"EX-13.1","id":"NTFILEJ1C2CZGDUsz3ivhE","market":"us","size":12221},{"description":"EXHIBIT 13.2","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1744781/000110465922051148/niu-20211231xex13d2.htm","primary":false,"translateUrl":"","linkName":"niu-20211231xex13d2.htm","type":"EX-13.2","id":"NTFILE5aqoBKMr6VUXgVJR","market":"us","size":8698},{"description":"EXHIBIT 15.1","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1744781/000110465922051148/niu-20211231xex15d1.htm","primary":false,"translateUrl":"","linkName":"niu-20211231xex15d1.htm","type":"EX-15.1","id":"NTFILEFQoEXvRhRGsVrCnB","market":"us","size":4796},{"description":"EXHIBIT 15.2","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1744781/000110465922051148/niu-20211231xex15d2.htm","primary":false,"translateUrl":"","linkName":"niu-20211231xex15d2.htm","type":"EX-15.2","id":"NTFILE3AbfEihmLU2Qeos2","market":"us","size":3787},{"description":"GRAPHIC","seq":14,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1744781/000110465922051148/niu-20211231x20f005.jpg","primary":false,"translateUrl":"","linkName":"niu-20211231x20f005.jpg","type":"GRAPHIC","id":"NTFILEAh3sHAia1TvjyT5U","market":"us","size":121163}],"type_name":"Financial Report","type_name_en":"Financial Report","titleTypeEn":"Annual Report","us_type":"财务报告","us_type_zh":"财务报告","earn_infos":[],"event_type":"important_notice","event_name":"Annual Report","pubTime":"2022-04-27 00:00","pubTimestamp":1650988800,"title_zh":"20-F  - Annual and transition report of foreign private issuers [Sections 13 or 15(d","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"14262448","market":"us","labels":[],"media":"sec.gov","original_id":"AN114036122005034-NIU","pdf_url":"","pub_time":1644768000000,"showTitleType":true,"size":0,"source":"sec_us","summary":"SC 13G  - Statement of acquisition of beneficial ownership by individuals","symbol":"NIU","title":"SC 13G  - Statement of acquisition of beneficial ownership by individuals","titleType":"Beneficial Ownership Change","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1744781/000114036122005034/0001140361-22-005034-index.htm","us_notice_code":"Form SC 13G","us_title_en":"SC 13G  - Statement of acquisition of beneficial ownership by individuals","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"SC13G","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1480751/000114036122005034/brhc10033966_sc13g.htm","primary":true,"translateUrl":"https://static.tigerbbs.com/ad316d010225da33e5d4d3a078c4e2d0","linkName":"brhc10033966_sc13g.htm","type":"SC 13G","id":"NTFILEHUaJSwf3oaBTaLbs","market":"us","size":61608}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Beneficial Ownership Change","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Beneficial Ownership Change","pubTime":"2022-02-14 00:00","pubTimestamp":1644768000,"title_zh":"SC 13G  - Statement of acquisition of beneficial ownership by individuals","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"14179530","market":"us","labels":[],"media":"sec.gov","original_id":"AN121465922001851-NIU","pdf_url":"","pub_time":1643904000000,"showTitleType":true,"size":0,"source":"sec_us","summary":"SC 13G  - Statement of acquisition of beneficial ownership by individuals","symbol":"NIU","title":"SC 13G  - Statement of acquisition of beneficial ownership by individuals","titleType":"Beneficial Ownership Change","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1744781/000121465922001851/0001214659-22-001851-index.htm","us_notice_code":"Form SC 13G","us_title_en":"SC 13G  - Statement of acquisition of beneficial ownership by individuals","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1475365/000121465922001851/niu21223sc13g.htm","primary":true,"translateUrl":"https://static.tigerbbs.com/8248bb4d08366a310eb84f2a1aa72e71","linkName":"niu21223sc13g.htm","type":"SC 13G","id":"NTFILE36jkFHwD63nUD7wx","market":"us","size":60806}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Beneficial Ownership Change","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Beneficial Ownership Change","pubTime":"2022-02-04 00:00","pubTimestamp":1643904000,"title_zh":"SC 13G  - Statement of acquisition of beneficial ownership by individuals","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"14179529","market":"us","labels":[],"media":"sec.gov","original_id":"AN167885822000047-NIU","pdf_url":"","pub_time":1643904000000,"showTitleType":true,"size":0,"source":"sec_us","summary":"SC 13G  - Statement of acquisition of beneficial ownership by individuals","symbol":"NIU","title":"SC 13G  - Statement of acquisition of beneficial ownership by individuals","titleType":"Beneficial Ownership Change","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1744781/000167885822000047/0001678858-22-000047-index.htm","us_notice_code":"Form SC 13G","us_title_en":"SC 13G  - Statement of acquisition of beneficial ownership by individuals","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"SEC SCHEDULE 13G","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/902219/000167885822000047/SEC13G_Filing.htm","primary":true,"translateUrl":"https://static.tigerbbs.com/f125c0e02b741864087c7cf19eba708d","linkName":"SEC13G_Filing.htm","type":"SC 13G","id":"NTFILE4s5b5ZHotCweFqHs","market":"us","size":35649}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Beneficial Ownership Change","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Beneficial Ownership Change","pubTime":"2022-02-04 00:00","pubTimestamp":1643904000,"title_zh":"SC 13G  - Statement of acquisition of beneficial ownership by individuals","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0}],"pageSize":20,"totalPage":3,"pageCount":1,"totalSize":51,"code":"91000000","status":"200"}]}}