v3.25.2
Prepayments - Schedule of Prepayments (Details)
Jun. 30, 2025
CNY (¥)
Jun. 30, 2025
USD ($)
Dec. 31, 2024
CNY (¥)
Schedule of Prepayments [Abstract]      
Prepayments – inventories and processing fee ¥ 6,610,361   ¥ 3,011,819
Prepayments – others 2,041,902   1,594,247
Prepayments ¥ 8,652,263 $ 1,208,653 ¥ 4,606,066