v3.26.1
Accounts Receivable, Net - Schedule of Trade Accounts Receivable (Details)
Dec. 31, 2025
CNY (¥)
Dec. 31, 2025
USD ($)
Dec. 31, 2024
CNY (¥)
Schedule of Trade Accounts Receivable [Abstract]      
Accounts receivable ¥ 19,102,831 $ 2,731,669 ¥ 9,180,956
Allowance for expected credit losses (662,349) (94,715) (806,348)
Total ¥ 18,440,482 $ 2,636,954 ¥ 8,374,608