CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS |
12 Months Ended | |||
|---|---|---|---|---|
|
Dec. 31, 2025
CNY (¥)
¥ / shares
shares
|
Dec. 31, 2025
USD ($)
$ / shares
shares
|
Dec. 31, 2024
CNY (¥)
¥ / shares
shares
|
Dec. 31, 2023
CNY (¥)
¥ / shares
shares
|
|
| CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS | ||||
| Revenues | ¥ 4,307,865,498 | $ 616,016,573 | ¥ 3,288,296,344 | ¥ 2,651,757,646 |
| Cost of revenues | (3,464,294,613) | (495,387,541) | (2,789,533,350) | (2,081,010,633) |
| Gross profit | 843,570,885 | 120,629,032 | 498,762,994 | 570,747,013 |
| Operating expenses: | ||||
| Selling and marketing expenses | (675,769,295) | (96,633,724) | (489,577,690) | (495,734,694) |
| Research and development expenses | (166,452,286) | (23,802,360) | (130,111,359) | (150,985,739) |
| General and administrative expenses (including allowance for doubtful accounts of RMB139,445,017 and RMB7,632,517 for the years ended December 31, 2023 and 2024, respectively, and a reversal of allowance of RMB5,870,581 for the year ended December 31, 2025) | (90,963,018) | (13,007,539) | (130,617,629) | (244,518,817) |
| Total operating expenses | (933,184,599) | (133,443,623) | (750,306,678) | (891,239,250) |
| Government grants | 1,366,650 | 195,428 | 911,556 | 2,968,735 |
| Operating loss | (88,247,064) | (12,619,163) | (250,632,128) | (317,523,502) |
| Interest expenses | (6,130,439) | (876,641) | (5,623,544) | (1,423,924) |
| Interest income | 26,464,512 | 3,784,375 | 37,089,488 | 35,492,190 |
| Investment income | 5,543,812 | 792,755 | 2,358,995 | 1,426,370 |
| Loss before income taxes | (62,369,179) | (8,918,674) | (216,807,189) | (282,028,866) |
| Income tax benefit | 22,983,591 | 3,286,610 | 23,606,550 | 10,192,884 |
| Net loss | (39,385,588) | (5,632,064) | (193,200,639) | (271,835,982) |
| Other comprehensive loss: | ||||
| Foreign currency translation adjustment, net of nil income taxes | (14,861,312) | (2,125,139) | 6,366,312 | 7,386,368 |
| Unrealized gain on available-for-sale securities, net income taxes of RMB3,080, nil and nil for the year 2023, 2024 and 2025, respectively | ¥ | 17,454 | |||
| Less: reclassification adjustment for gain on available-for-sale securities realized in net loss, net of RMB64,025, nil and nil income taxes for the year 2023, 2024 and 2025, respectively | ¥ | (362,810) | |||
| Comprehensive loss | ¥ (54,246,900) | $ (7,757,203) | ¥ (186,834,327) | ¥ (264,794,970) |
| Net loss per ordinary share | ||||
| -Basic | (per share) | ¥ (0.25) | $ (0.04) | ¥ (1.22) | ¥ (1.73) |
| -Diluted | (per share) | ¥ (0.25) | $ (0.04) | ¥ (1.22) | ¥ (1.73) |
| Weighted average number of ordinary shares and ordinary shares equivalents outstanding used in computing net loss per ordinary share | ||||
| -Basic | shares | 159,714,698 | 159,714,698 | 158,460,242 | 156,816,105 |
| -Diluted | shares | 159,714,698 | 159,714,698 | 158,460,242 | 156,816,105 |
| X | ||||||||||
- Definition Amount of government grants. No definition available.
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| X | ||||||||||
- Definition Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition The aggregate cost of goods produced and sold and services rendered during the reporting period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of realized and unrealized gain (loss) on investment. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition The aggregate total of expenses of managing and administering the affairs of an entity, including affiliates of the reporting entity, which are not directly or indirectly associated with the manufacture, sale or creation of a product or product line. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Amount of interest expense classified as nonoperating. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Amount before accretion (amortization) of purchase discount (premium) of interest income on nonoperating securities. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Generally recurring costs associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or services. Includes selling, general and administrative expense. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition The net result for the period of deducting operating expenses from operating revenues. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature, attributable to parent entity. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount, after tax and before adjustment, of unrealized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale) and unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Amount after tax of reclassification adjustment from accumulated other comprehensive income for unrealized gain (loss) realized upon the sale of available-for-sale securities. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of expense for research and development. Includes, but is not limited to, cost for computer software product to be sold, leased, or otherwise marketed and writeoff of research and development assets acquired in transaction other than business combination or joint venture formation or both. Excludes write-down of intangible asset acquired in business combination or from joint venture formation or both, used in research and development activity. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition The aggregate total amount of expenses directly related to the marketing or selling of products or services. No definition available.
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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