v3.26.1
Accounts Receivable, Net - Schedule of Movement of Allowance for Expected Credit Losses (Details)
12 Months Ended
Dec. 31, 2025
CNY (¥)
Dec. 31, 2025
USD ($)
Dec. 31, 2024
CNY (¥)
Dec. 31, 2023
CNY (¥)
Schedule of Movement of Allowance for Expected Credit Losses [Abstract]        
Balance at the beginning of the year ¥ 806,348 $ 115,306 ¥ 846,683
Accrual/(reversal) 33,513 4,792 (40,335) 903,326
Write off (177,512) (25,383) (56,643)
Balance at the end of the year ¥ 662,349 $ 94,715 ¥ 806,348 ¥ 846,683