Inventories (Details) |
6 Months Ended | ||||
|---|---|---|---|---|---|
|
Jun. 30, 2026
USD ($)
|
Jun. 30, 2026
CNY (¥)
|
Jun. 30, 2025
CNY (¥)
|
Jun. 30, 2026
CNY (¥)
|
Dec. 31, 2025
CNY (¥)
|
|
| Inventory, Net [Abstract] | |||||
| Inventory | $ 834,243 | ¥ 5,660,426 | ¥ 8,280,145 | ||
| Allowance for inventory valuation | $ 295,114 | ¥ 2,002,377 | ¥ 599,926 | ||