Accounts Receivable, Net (Details) |
12 Months Ended | ||||
|---|---|---|---|---|---|
|
Dec. 31, 2025
CNY (¥)
|
Dec. 31, 2025
USD ($)
|
Dec. 31, 2024
CNY (¥)
|
Dec. 31, 2023
CNY (¥)
|
Dec. 31, 2025
USD ($)
|
|
| Accounts Receivable, Net [Abstract] | |||||
| Bad debt expenses (net of reversal) | ¥ 3,446,953 | ¥ 8,913,596 | ¥ 9,417,342 | $ 490,404 | |
| Written off | ¥ 178,834 | $ 25,443 | ¥ 6,746 | ¥ 406,566 | |