v3.26.1
Parent Company Only Condensed Financial Information - Schedule of Condensed Balance Sheets (Details) - Parent Company [Member]
Dec. 31, 2025
CNY (¥)
Dec. 31, 2025
USD ($)
Dec. 31, 2024
CNY (¥)
Current assets      
Cash and cash equivalents ¥ 379,449,802 $ 54,260,600 ¥ 253,708,400
Amounts due from subsidiaries 246,160,268 35,200,450 169,208,479
Other current assets 316,662 45,282 330,527
Total current assets 625,926,732 89,506,332 423,247,406
Non-current assets:      
Investments in subsidiaries 2,093,454,072 299,359,951 2,183,092,396
Investments in equity securities 34,355,681
TOTAL ASSETS 2,719,380,804 388,866,283 2,640,695,483
Current liabilities:      
Long -term bank loans, current portion 56,800,000 8,122,292 400,000
Amounts due to subsidiaries 886,616,955 126,784,538 925,349,353
Total current liabilities 943,416,955 134,906,830 925,749,353
Non-current liabilities:      
Long-term bank loans, non-current portion 199,400,000 28,513,821 256,200,000
Total liabilities 1,142,816,955 163,420,651 1,181,949,353
Shareholders’ Equity:      
Treasury stock (48,054,863) (6,871,754) (37,043,116)
Additional paid-in capital 1,566,949,877 224,070,852 1,609,972,272
Accumulated losses (291,545,544) (41,690,458) (458,337,569)
Accumulated other comprehensive income 11,093,099 1,586,292 6,033,263
Total Shareholders’ Equity 1,576,563,849 225,445,632 1,458,746,130
TOTAL LIABILITIES AND SHAREHOLDERS’ EQUITY 2,719,380,804 388,866,283 2,640,695,483
Class A Ordinary Shares      
Shareholders’ Equity:      
Ordinary shares, value 222,587,070 31,829,528 222,587,070
Class B Ordinary Shares      
Shareholders’ Equity:      
Ordinary shares, value ¥ 115,534,210 $ 16,521,172 ¥ 115,534,210