v3.26.1
Parent Company Only Condensed Financial Information - Schedule of Condensed Statements of Operations (Details) - Parent Company [Member]
12 Months Ended
Dec. 31, 2025
CNY (¥)
Dec. 31, 2025
USD ($)
Dec. 31, 2024
CNY (¥)
Dec. 31, 2023
CNY (¥)
Schedule of Condensed Statements of Operations [Line Items]        
General and administrative expenses ¥ (5,582,476) $ (798,283) ¥ (3,495,501) ¥ (6,637,389)
Interest income 13,537,392 1,935,821 5,550,006 15,128
Interest expense (7,681,713) (1,098,470) (8,046,920) (4,723,335)
Other income (expense) 10,235,172 1,463,610 (4,815,940) 19,969,182
(Losses) gains on investments in equity securities 164,707,612 23,552,875 (11,463,068) 7,927,075
Share of profit in subsidiaries, net (Note a) (8,423,963) (1,204,611) 132,273,653 252,765,647
Net (loss) income 166,792,024 23,850,942 110,002,230 269,316,308
Other comprehensive losses, net of tax        
- Foreign currency translation adjustments 5,059,836 723,547 (22,374,019) 672,112
- Unrealized (losses) on available-for-sale investments 6,000 (2,934)
Comprehensive (loss) income ¥ 171,851,860 $ 24,574,489 ¥ 87,634,211 ¥ 269,985,486