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v3.24.1

Financial information of the parent company (Details 2) | 12 Months Ended
--- | ---
Dec. 31, 2023 USD ($) | Dec. 31, 2023 CNY (¥) | Dec. 31, 2022 USD ($) | Dec. 31, 2022 CNY (¥) | Dec. 31, 2021 USD ($) | Dec. 31, 2021 CNY (¥)
CASH FLOWS FROM OPERATING ACTIVITIES: |  |  |  |  |  |
Net income (loss) | $ (11,578,184) | ¥ (81,587,998) | $ (20,279,224) | ¥ (136,458,901) | $ 12,750,031 | ¥ 81,244,474
Adjustments to reconcile net income to cash used in operating activities: |  |  |  |  |  |
Change in fair value of warrant liabilities | 52,927 | 372,961 |  | 4,415,328 |  |
Other payables and accrued liabilities | (631,740) | (4,451,683) |  | 1,891,849 |  | 2,066,507
Net cash used in operating activities | (3,936,396) | (27,738,609) |  | (134,658,768) |  | 102,994,820
CASH FLOWS FROM INVESTING ACTIVITIES: |  |  |  |  |  |
Net cash (used in) provided by investing activities | (195,072) | (1,374,615) |  | 11,507,523 |  | (84,097,397)
CASH FLOWS FROM FINANCING ACTIVITIES: |  |  |  |  |  |
Net cash provided by financing activities | 312,795 | 2,204,176 |  | 223,882,640 |  | (1,301,416)
EFFECT OF EXCHANGE RATE ON CASH | (296,539) | 1,826,601 |  | 2,381,611 |  | (271,402)
CHANGES IN CASH, CASH EQUIVALENTS AND RESTRICTED CASH | (4,115,212) | (25,082,447) |  | 103,113,006 |  | 17,324,605
CASH, CASH EQUIVALENTS AND RESTRICTED CASH, beginning of year | 21,910,338 | 151,119,985 |  | 48,006,979 |  | 30,682,374
CASH, CASH EQUIVALENTS AND RESTRICTED CASH, end of year | 17,795,126 | 126,037,538 | 21,910,338 | 151,119,985 |  | 48,006,979
Parent Company [Member] |  |  |  |  |  |
CASH FLOWS FROM OPERATING ACTIVITIES: |  |  |  |  |  |
Net income (loss) | (11,578,184) | (81,587,998) |  | (136,458,901) |  |
Adjustments to reconcile net income to cash used in operating activities: |  |  |  |  |  |
Equity income (loss) of subsidiaries and VIEs | 16,111,711 | 114,125,394 |  | 140,903,197 |  |
Issuance of common shares under the Company’s 2023 Equity Incentive Plan | (4,480,600) | (32,164,435) |  |  |  |
Change in fair value of warrant liabilities | (52,927) | (372,961) |  | (4,415,328) |  |
Intercompany |  |  |  |  |  |
Other payables and accrued liabilities |  |  |  | (28,968) |  |
Net cash used in operating activities |  |  |  |  |  |
CASH FLOWS FROM INVESTING ACTIVITIES: |  |  |  |  |  |
Net cash (used in) provided by investing activities |  |  |  |  |  |
CASH FLOWS FROM FINANCING ACTIVITIES: |  |  |  |  |  |
Net cash provided by financing activities |  |  |  |  |  |
CHANGES IN CASH, CASH EQUIVALENTS AND RESTRICTED CASH |  |  |  |  |  |
CASH, CASH EQUIVALENTS AND RESTRICTED CASH, beginning of year |  |  |  |  |  |
CASH, CASH EQUIVALENTS AND RESTRICTED CASH, end of year |  |  |  |  |  |

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