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6-K

Niu Technologies (NIU)

6-K 2025-11-17 For: 2025-11-17
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Added on April 10, 2026

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER

PURSUANT TO RULE 13a-16 OR 15d-16 UNDER

THE SECURITIES EXCHANGE ACT OF 1934

For the month of November 2025

Commission File Number: 001-38696

NIU TECHNOLOGIES

Building C, Rongxin Technology Center,

No. 34 Chuangyuan Road,

Chaoyang District, Beijing 100012

People’s Republic of China

(Address of principal executive offices)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.

Form 20-F x Form 40-F ¨

Exhibit Index

Exhibit 99.1—Press Release

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

NIU TECHNOLOGIES
By : /s/ Fion Zhou
Name : Fion Zhou
Title : Director and Chief Financial Officer

Date: November 17, 2025

Exhibit 99.1

Niu TechnologiesAnnounces Unaudited Third Quarter 2025 Financial Results

-- Third QuarterRevenues of RMB 1,693.9 million, increase 65.4% year over year

-- Third QuarterNet Income of RMB 81.7 million, compared to net loss of RMB 40.9 million in the same period of last year

BEIJING, China, November 17, 2025 – Niu Technologies (“NIU”, or “the Company”) (NASDAQ: NIU), the world’s leading provider of smart urban mobility solutions, today announced its unaudited financial results for the third quarter ended September 30, 2025.

Third Quarter 2025 Financial Highlights

· Revenues<br> were RMB 1,693.9 million, an increase of 65.4% year over year
· Gross margin was 21.8%, compared with 13.8% in the third quarter of 2024
--- ---
· Net income was RMB 81.7 million, compared with net loss of RMB 40.9 million in the third<br> quarter of 2024
--- ---
· Adjusted net income (non-GAAP)^1^<br> was RMB 88.4 million, compared with adjusted net loss of RMB 34.2 million in the third quarter<br> of 2024
--- ---

Third Quarter 2025 Operating Highlights

· The<br> number of e-scooters sold was 465,873, up 49.1% year over year
· The<br> number of e-scooters sold in China was 451,455, up 74.2% year over year
--- ---
· The<br> number of e-scooters sold in the international markets was 14,418, down 73.0% year over year
--- ---
· The<br> number of franchised stores in China was 4,542 as of September 30, 2025
--- ---
· The<br> number of distributors in our international sales network was 57, covering 53 countries as<br> of September 30, 2025
--- ---

Dr. Yan Li, Chief Executive Officer of the Company, remarked, "In Q3, our peak season, we delivered an impressive 74.2% year-on-year growth in sales volume in China. This remarkable performance was driven by the powerful combination of our compelling product portfolio and strong store expansion momentum. As we enter the seasonal low period and prepare for the implementation of the new national standard, we are proactively advancing our channel expansion and product transition strategies, demonstrating our agility and discipline in navigating evolving market dynamics.”

Dr. Li continued, "This year marks the 10th anniversary of NIU’s presence at EICMA, a premier global industry exhibition that has served as an important platform for strengthening our brand influence overseas. We are well-positioned to actively shape and embrace the ongoing evolution of the two-wheeler industry.”

^1^ Adjusted net income (loss) (non-GAAP) is defined as net income (loss) excluding share-based compensation expenses

Third Quarter 2025 Financial Results

Revenues reached RMB 1,693.9 million, representing a 65.4% increase year-over-year. This growth was mainly driven by a 49.1% increase in sales volume, complemented by an 11.0% increase in revenues per e-scooter. The following table shows the revenue breakdown and revenues per e-scooter in the periods presented:

Revenues<br> <br>(in RMB million) 2025<br> <br>Q3 2024<br> <br>Q3 % change YoY
E-scooter sales from China market 1,481.9 797.5 +85.8 %
E-scooter sales from international markets 67.0 130.2 -48.6 %
E-scooter sales, sub-total 1,548.9 927.7 +67.0 %
Accessories, spare parts and services 145.0 96.2 +50.8 %
Total 1,693.9 1,023.9 +65.4 %
Revenues per e-scooter<br> <br>(in RMB) 2025<br> <br>Q3 2024<br> <br>Q3 % change<br><br><br><br>YoY
--- --- --- --- --- --- --- ---
E-scooter sales from China market^2^ 3,283 3,078 +6.7 %
E-scooter sales from international markets^2^ 4,648 2,444 +90.2 %
E-scooter sales 3,325 2,970 +12.0 %
Accessories, spare parts and services^3^ 311 307 +1.3 %
Revenues per e-scooter 3,636 3,277 +11.0 %
§ E-scooter<br> sales revenues from China market were RMB 1,481.9 million, an increase of 85.8% year-over-year,<br> and represented 95.7% of total e-scooter revenues. The increase was mainly due to a 74.2%<br> increase in sales volume and a 6.7% increase in revenues per e-scooter in China market.
--- ---
§ E-scooter<br> sales revenues from international markets were RMB 67.0 million, a decrease of 48.6% year-over-year,<br> and represented 4.3% of total e-scooter revenues. The decrease was mainly due to reduced<br> sales volume and lower revenues per e-scooter of kick-scooters in international markets.
--- ---
§ Accessories,<br> spare parts sales and services revenues were RMB 145.0 million, an increase of 50.8% year-over-year,<br> and represented 8.6% of total revenues. The increase was mainly due to an increase in accessories<br> and spare parts sales in China market.
--- ---
§ Revenues<br> per e-scooter were RMB 3,636, an increase of 11.0% year-over-year, mainly due to increased<br> sales proportion and higher revenues per e-scooter in China market.
--- ---

Cost of revenueswas RMB 1,324.1 million, an increase of 50.1% year-over-year, lower than the growth rate of revenues. The cost per e-scooter, defined as cost of revenues divided by the number of e-scooters sold in a specific period, was RMB 2,842, a slight increase from RMB 2,824 in the third quarter of 2024. The increase resulted from increased costs in international markets, which was partially offset by cost reductions in the China market.

^2^ Revenues per e-scooter on e-scooter sales from China or international markets is defined as e-scooter sales revenues from China or international markets divided by the number of e-scooters sold in China or international market in a specific period

^3^ Revenues per e-scooter on accessories, spare parts and services is defined as accessories, spare parts and services revenues divided by the total number of e-scooters sold in a specific period

Gross marginwas 21.8%, compared with 13.8% in the same period of 2024. The increase was mainly driven by a higher proportion of e-scooter sales and an improved gross margin in China market, benefiting from our cost-reduction initiatives.

Operating expenses were RMB 297.1 million, an increase of 48.1% from the same period of 2024. Operating expenses as a percentage of revenues was 17.5%, compared with 19.6% in the third quarter of 2024.

§ Selling and marketing expenses were RMB 214.9 million (including RMB 1.2 million of share-based<br> compensation), an increase of 68.3% from RMB 127.7 million in the third quarter of 2024,<br> primarily driven by a RMB 74.7 million increase in spending on marketing and promotion in<br> China market. Selling and marketing expenses as a percentage of revenues was 12.7%, compared<br> with 12.5% in the third quarter of 2024.
§ Research and development expenses were RMB 43.4 million (including RMB 2.2 million of share-based<br> compensation), an increase of 43.2% from RMB 30.3 million in the third quarter of 2024, mainly<br> due to a RMB 6.2 million increase in design and testing expenses, and a RMB 5.9 million increase<br> in staff cost and share-based compensation. Research and development expenses as a percentage<br> of revenues was 2.6%, compared with 3.0% in the third quarter of 2024.
--- ---
§ General and administrative expenses were RMB 38.8 million (including RMB 3.1 million of share-based<br> compensation), a decrease of 8.9% from RMB 42.6 million in the third quarter of 2024, mainly<br> due to reversal of bad-debt provision, partially offset by an increase in taxes and surcharges.<br> General and administrative expenses as a percentage of revenues was 2.3%, compared with 4.2%<br> in the third quarter of 2024.
--- ---

Operating expensesexcluding share-based compensation were RMB 290.6 million, an increase of 49.8% year over year, and represented 17.2% of revenues, compared with 18.9% in the third quarter of 2024.

§ Selling and marketing expenses excluding share-based compensation were RMB 213.7 million, an<br> increase of 70.6% year over year, and represented 12.6% of revenues, compared with 12.2%<br> in the third quarter of 2024.
§ Research and development expenses excluding share-based compensation were RMB 41.2 million, an<br> increase of 45.5% year over year, and represented 2.4% of revenues, compared with 2.8% in<br> the third quarter of 2024.
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§ General and administrative expenses excluding share-based compensation were RMB 35.7 million,<br> a decrease of 11.7% year over year, and represented 2.1% of revenues, compared with 4.0%<br> in the third quarter of 2024.
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Share-basedcompensation was RMB 6.7 million, remaining flat compared with the same period in 2024.

Income tax benefitwas RMB 0.2 million, compared with RMB 8.6 million in the same period of 2024.

Net income was RMB 81.7 million, compared with net loss of RMB 40.9 million in the third quarter of 2024. The net income margin was 4.8%, compared with net loss margin of 4.0% in the same period of 2024.

Adjusted netincome (non-GAAP) was RMB 88.4 million, compared with an adjusted net loss of RMB 34.2 million in the third quarter of 2024. The adjusted net income margin^4^ was 5.2%, compared with an adjusted net loss margin of 3.3% in the same period of 2024.

Basic and dilutednet income per ADS was RMB 1.02 (US$ 0.14) and RMB 0.99 (US$ 0.14), respectively.

Balance Sheet

As of September 30, 2025, the Company had cash and cash equivalents, term deposits and short-term investments of RMB 1,582.8 million in aggregate. The Company had restricted cash of RMB 213.2 million and short-term bank borrowings of RMB 220.0 million.

Business Outlook

NIU expects revenues of the fourth quarter 2025 to be in the range of RMB 737 million to RMB 901 million, representing a year-over-year change of -10% to +10%.

The above outlook is based on information available as of the date of this press release and reflects the Company’s current and preliminary expectation and is subject to change.

Conference Call

The Company will host an earnings conference call on Monday, November 17, 2025 at 8:00 AM U.S. Eastern Time (9:00 PM Beijing/Hong Kong Time) to discuss its third quarter 2025 financial and business results and provide a corporate update.

To join via phone, participants need to register in advance of the conference call using the link provided below. Upon registration, participants will receive dial-in numbers and a personal PIN, which will be used to join the conference call.

Event: Niu Technologies Third Quarter 2025<br> Financial Results Conference Call
Registration Link: https://register-conf.media-server.com/register/BI83aa7ff351f04d01a367f15554813e24

A live and archived webcast of the conference call will be available on the investor relations website at https://ir.niu.com/news-and-events/webcasts-and-presentations.

^4^ Adjusted net income (loss) margin is defined as adjusted net income (loss) (non-GAAP) as a percentage of the revenues

About NIU

As the world’s leading provider of smart urban mobility solutions, NIU designs, manufactures and sells high-performance electric motorcycles, mopeds, bicycles, as well as kick-scooters and e-bikes. NIU has a diversified product portfolio that caters to the various demands of our users and addresses different urban travel scenarios. Currently, NIU offers two model lineups, comprising a number of different vehicle types. These include (i) the electric motorcycle, moped and bicycle series, including the NQi, MQi, UQi, FQi series and others, and (ii) the micro-mobility series, including the kick-scooter series KQi and the e-bike series BQi. NIU has adopted an omnichannel retail model, integrating the offline and online channels, to sell its products and provide services to users.

For more information, please visit www.niu.com.

Use of Non-GAAP Financial Measures

To supplement NIU’s consolidated financial results presented in accordance with the accounting principles generally accepted in the United States of America (“GAAP”), NIU uses the following non-GAAP financial measures: adjusted net income (loss) and adjusted net income (loss) margin. The presentation of these non-GAAP financial measures is not intended to be considered in isolation or as a substitute for the financial information prepared and presented in accordance with GAAP. NIU believes that these non-GAAP financial measures provide meaningful supplemental information regarding its performance and liquidity by excluding certain items that may not be indicative of its operating results. The Company believes that both management and investors benefit from referring to these non-GAAP financial measures in assessing its performance and when planning and forecasting future periods. These non-GAAP financial measures also facilitate management’s internal comparisons to NIU’s historical performance. The Company believes these non-GAAP financial measures are useful to investors in allowing for greater transparency with respect to supplemental information used by management in its financial and operational decision making. A limitation of using these non-GAAP financial measures is that these non-GAAP measures exclude certain items that have been and will continue to be for the foreseeable future a significant component in the Company’s results of operations. These non-GAAP financial measures presented here may not be comparable to similarly titled measures presented by other companies. Other companies may calculate similarly titled measures differently, limiting their usefulness as comparative measures to the Company’s data.

Adjusted net income (loss) is defined as net income (loss) excluding share-based compensation expenses. Adjusted net income (loss) margin is defined as adjusted net income (loss) as a percentage of the revenues.

For more information on non-GAAP financial measures, please see the tables captioned “Reconciliation of GAAP and Non-GAAP Results”.

Exchange Rate

This announcement contains translations of certain RMB amounts into U.S. dollars (“US$”) at specified rates solely for the convenience of the readers. Unless otherwise stated, all translations from RMB to US$ were made at the rate of RMB 7.1190 to US$ 1.00, the exchange rate in effect as of September 30, 2025, as set forth in the H.10 Statistical release of the Board of Governors of the Federal Reserve System. The Company makes no representation that the RMB or US$ amounts referred could be converted into US$ or RMB, as the case may be, at any particular rate or at all.

Safe HarborStatement

This press release contains forward-looking statements. These statements are made under the “safe harbor” provisions of the U.S. Private Securities Litigation Reform Act of 1995. These forward-looking statements can be identified by terminology such as “will,” “expects,” “anticipates,” “aims,” “future,” “intends,” “plans,” “believes,” “estimates,” “likely to” and similar statements. Among other things, the business outlook and quotations from management in this announcement, as well as NIU’s strategic and operational plans, contain forward-looking statements. NIU may also make written or oral forward-looking statements in its periodic reports to the U.S. Securities and Exchange Commission, in its annual report to shareholders, in press releases and other written materials and in oral statements made by its officers, directors or employees to third parties. Statements that are not historical facts, including statements about NIU’s beliefs, plans and expectations, are forward-looking statements. Forward-looking statements involve inherent risks and uncertainties. A number of factors could cause actual results to differ materially from those contained in any forward-looking statement, including but not limited to the following: NIU’s strategies; NIU’s future business development, financial condition and results of operations; NIU’s ability to maintain and enhance its “NIU” brand; its ability to innovate and successfully launch new products and services; its ability to maintain and expand its offline distribution network; its ability to satisfy the mandated safety standards relating to e-scooters; its ability to secure supply of components and raw materials used in e-scooters; its ability to manufacture, launch and sell smart e-scooters meeting customer expectations; its ability to grow collaboration with operation partners; its ability to control costs associated with its operations; general economic and business conditions in China and globally; and assumptions underlying or related to any of the foregoing. Further information regarding these and other risks is included in NIU’s filings with the Securities and Exchange Commission. All information provided in this press release is as of the date of this press release, and NIU does not undertake any obligation to update any forward-looking statement, except as required under applicable law.

Investor Relations Contact:

Niu Technologies

E-mail: [email protected]

NIU TECHNOLOGIES

UNAUDITED CONDENSED CONSOLIDATED BALANCE SHEETS

As of
December 31, September 30, September 30,
2024 2025 2025
RMB RMB US
ASSETS
Current assets
Cash and cash equivalents 630,021,303 1,089,197,454
Term deposits 274,351,895 114,178,095
Restricted cash 216,395,796 213,165,000
Short-term investments - 379,382,890
Accounts receivable, net 131,921,419 64,524,314
Inventories 649,177,719 676,017,464
Prepayments and other current assets 267,938,339 314,141,594
Total current assets 2,169,806,471 2,850,606,811
Non-current assets
Property, plant and equipment, net 320,013,632 387,577,210
Intangible assets, net 1,043,801 843,630
Operating lease right-of-use assets 71,223,350 76,290,468
Deferred income tax assets 31,752,254 49,339,350
Other non-current assets 19,318,659 29,806,693
Total non-current assets 443,351,696 543,857,351
Total assets 2,613,158,167 3,394,464,162
LIABILITIES
Current liabilities
Short-term bank borrowings 200,000,000 220,000,000
Notes payable 294,348,768 220,000,000
Accounts payable 869,015,140 1,288,261,300
Income taxes payable 1,071,914 1,943,127
Advances from customers 35,892,860 199,087,036
Deferred revenue-current 50,247,103 71,998,040
Accrued expenses and other current liabilities 201,356,008 362,022,831
Total current liabilities 1,651,931,793 2,363,312,334
Deferred revenue-non-current 16,886,859 20,894,433
Deferred income tax liabilities 3,269,464 3,035,446
Operating lease liabilities 89,990 4,748,388
Other non-current liabilities 9,697,841 13,754,351
Total non-current liabilities 29,944,154 42,432,618
Total liabilities 1,681,875,947 2,405,744,952
SHAREHOLDERS’ EQUITY:
Class A ordinary shares 90,549 91,766
Class B ordinary shares 10,316 9,504
Additional paid-in capital 1,988,638,160 2,010,790,675
Accumulated other comprehensive loss (3,129,362 ) (16,568,280 ) )
Accumulated deficit (1,054,327,443 ) (1,005,604,455 ) )
Total shareholders’ equity 931,282,220 988,719,210
Total liabilities and shareholders’ equity 2,613,158,167 3,394,464,162

All values are in US Dollars.

NIU TECHNOLOGIES

UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS)

Three<br> Months Ended September 30, Nine<br> Months Ended September 30,
2024 2025 2024 2025
RMB RMB US RMB RMB US
Revenues 1,023,896,776 1,693,922,867 2,469,116,667 3,631,618,005
Cost<br> of revenues^(a)^ (882,352,543 ) (1,324,115,671 ) ) (2,072,337,778 ) (2,891,250,177 ) )
Gross<br> profit 141,544,233 369,807,196 396,778,889 740,367,828
Operating<br> expenses:
Selling<br> and marketing expenses^(a)^ (127,674,970 ) (214,878,440 ) ) (353,235,333 ) (531,644,798 ) )
Research<br> and development expenses^(a)^ (30,299,955 ) (43,403,871 ) ) (91,488,651 ) (116,922,390 ) )
General<br> and administrative expenses^(a)^ (42,583,209 ) (38,791,066 ) ) (112,541,644 ) (78,499,446 ) )
Total<br> operating expenses (200,558,134 ) (297,073,377 ) ) (557,265,628 ) (727,066,634 ) )
Government<br> grants 520,000 696,948 523,756 1,083,838
Operating<br> (loss) income (58,493,901 ) 73,430,767 (159,962,983 ) 14,385,032
Interest<br> expenses (1,537,621 ) (1,354,828 ) ) (4,024,904 ) (4,322,848 ) )
Interest<br> income 9,512,697 6,569,488 27,530,058 20,134,598
Investment<br> income 985,634 2,853,384 1,987,535 3,542,409
(Loss)<br> income before income taxes (49,533,191 ) 81,498,811 (134,470,294 ) 33,739,191
Income<br> tax benefit 8,586,698 188,413 13,807,724 14,983,797
Net<br> (loss) income (40,946,493 ) 81,687,224 (120,662,570 ) 48,722,988
Other<br> comprehensive income (loss)
Foreign<br> currency translation adjustment, net of nil income taxes (6,430,430 ) (3,328,193 ) ) (3,897,676 ) (13,438,918 ) )
Comprehensive<br> (loss) income (47,376,923 ) 78,359,031 (124,560,246 ) 35,284,070
Net<br> (loss) income per ordinary share
—Basic (0.26 ) 0.51 (0.76 ) 0.31
—Diluted (0.26 ) 0.49 (0.76 ) 0.30
Net<br> (loss) income per ADS **** **** **** ****
—Basic (0.52 ) 1.02 (1.52 ) 0.61
—Diluted (0.52 ) 0.99 (1.52 ) 0.59
Weighted<br> average number of ordinary shares and ordinary shares equivalents outstanding used in computing net (loss) income per ordinary share **** ****
—Basic 158,808,425 159,815,968 158,356,359 159,606,943
—Diluted 158,808,425 165,631,796 158,356,359 164,712,213
Weighted<br> average number of ADS outstanding used in computing net (loss) income per ADS
—Basic 79,404,213 79,907,984 79,178,180 79,803,472
—Diluted 79,404,213 82,815,898 79,178,180 82,356,107
Note:
(a) Includes share-based compensation expenses as follows: **** **** **** ****
Three<br> Months Ended September 30, Nine<br> Months Ended September 30,
2024 2025 2024 2025
RMB RMB US RMB RMB US
Cost of revenues 154,379 224,146 596,268 701,310
Selling<br> and marketing expenses 2,408,003 1,181,757 5,746,819 4,500,339
Research<br> and development expenses 1,997,306 2,219,375 5,270,563 7,631,528
General<br> and administrative expenses 2,138,305 3,059,814 6,764,744 9,202,445
Total<br> share-based compensation expenses 6,697,993 6,685,092 18,378,394 22,035,622

All values are in US Dollars.

NIU TECHNOLOGIES

RECONCILIATION OF GAAP AND NON-GAAP RESULTS

Three Months Ended September 30, Nine Months Ended September 30,
2024 2025 2024 2025
RMB RMB US RMB RMB US
Net (loss) income (40,946,493 ) 81,687,224 (120,662,570 ) 48,722,988
Add:
Share-based compensation expenses 6,697,993 6,685,092 18,378,394 22,035,622
Adjusted net (loss) income (34,248,500 ) 88,372,316 (102,284,176 ) 70,758,610

All values are in US Dollars.