Taxes - Schedule of Changes in Valuation Allowance (Details) |
6 Months Ended | ||
|---|---|---|---|
|
Jun. 30, 2026
USD ($)
|
Jun. 30, 2026
CNY (¥)
|
Jun. 30, 2025
CNY (¥)
|
|
| Schedule of Changes in Valuation Allowance [Line Items] | |||
| Balance at beginning of the period | ¥ 94,139,807 | ||
| Balance at end of the period | $ 15,585,630 | 105,750,054 | |
| Deferred Tax Asset [Member] | |||
| Schedule of Changes in Valuation Allowance [Line Items] | |||
| Balance at beginning of the period | 13,874,491 | 94,139,807 | ¥ 84,581,663 |
| Expiration of NOL | (1,153) | (7,824) | (12,804) |
| Addition | 2,421,145 | 16,427,711 | 2,854,047 |
| Prior year true up of NOL | (708,853) | (4,809,640) | (1,143,872) |
| Balance at end of the period | $ 15,585,630 | ¥ 105,750,054 | ¥ 86,279,034 |