v3.26.3
Inventories, Net (Details)
6 Months Ended
Jun. 30, 2026
USD ($)
Jun. 30, 2026
CNY (¥)
Jun. 30, 2025
CNY (¥)
Inventories, Net [Abstract]      
Inventory write-down $ 1,488,978 ¥ 10,141,277 ¥ 5,726,162