v3.25.2
Other Current Assets - Schedule of Other Current Assets (Details)
Jun. 30, 2025
CNY (¥)
Jun. 30, 2025
USD ($)
Dec. 31, 2024
CNY (¥)
Schedule of Other Current Assets [Abstract]      
Value-added tax recoverable ¥ 47,115,730   ¥ 50,830,552
Deposits 2,497,874   2,202,904
Others 2,508,823   2,824,977
Total ¥ 52,122,427 $ 7,281,092 ¥ 55,858,433