Income Taxes (Details 3) |
6 Months Ended | 9 Months Ended | 12 Months Ended | |||
|---|---|---|---|---|---|---|
|
Sep. 30, 2025
CNY (¥)
|
Sep. 30, 2024
CNY (¥)
|
Sep. 30, 2025
USD ($)
|
Sep. 30, 2025
CNY (¥)
|
Mar. 31, 2025
CNY (¥)
|
Mar. 31, 2024
CNY (¥)
|
|
| Net change of valuation allowance of deferred tax | ||||||
| Valuation allowance of deferred tax assets at beginning balance | ¥ 7,361,029 | ¥ 7,193,778 | ¥ 7,193,778 | ¥ 4,618,909 | ||
| Additions additions valuation allowance deferred tax assets | 775,381 | 167,251 | 2,574,869 | |||
| Valuation allowance of deferred tax assets at ending balance | 5,335,468 | ¥ 7,969,159 | ¥ 5,335,468 | ¥ 7,361,029 | ¥ 7,193,778 | |
| Additions additions valuation allowance deferred tax assets | ¥ (2,025,561) | $ 284,529 | ¥ 2,025,561 | |||