Statutory Reserves and Restricted Net Assets (Details) |
12 Months Ended | ||
|---|---|---|---|
|
Dec. 31, 2024
CNY (¥)
|
Dec. 31, 2024
USD ($)
|
Dec. 31, 2023
CNY (¥)
|
|
| Statutory Reserves and Restricted Net Assets [Abstract] | |||
| Percentage of annual after-tax profit. | 10.00% | ||
| Percentage of registered capital | 50.00% | ||
| Percentage of net profit | 10.00% | ||
| PRC Statutory reserve funds | ¥ 156,764,775 | $ 21,476,686 | ¥ 152,416,879 |
| Amount of Restricted Net asset | ¥ 908,421,883 | $ 124,453,288 | ¥ 901,492,604 |