Mainland China Contribution Plan and Profit Appropriation (Details) |
12 Months Ended | |||
|---|---|---|---|---|
|
Dec. 31, 2024
CNY (¥)
|
Dec. 31, 2024
USD ($)
|
Dec. 31, 2023
CNY (¥)
|
Dec. 31, 2022
CNY (¥)
|
|
| Mainland China Contribution Plan and Profit Appropriation [Abstract] | ||||
| Employee benefits | ¥ 49,181,636 | $ 6,737,857 | ¥ 54,737,023 | ¥ 63,954,002 |