Income Taxes (Details 1) |
6 Months Ended | 12 Months Ended | ||||
|---|---|---|---|---|---|---|
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Sep. 30, 2025
USD ($)
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Sep. 30, 2025
CNY (¥)
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Sep. 30, 2024
CNY (¥)
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Mar. 31, 2025
USD ($)
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Mar. 31, 2025
CNY (¥)
|
Mar. 31, 2024
CNY (¥)
|
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| Income Tax Disclosure [Abstract] | ||||||
| Income before provision for income taxes | $ 227,973 | ¥ 1,622,941 | ¥ (1,239,401) | $ 1,030,317 | ¥ 7,334,830 | ¥ (11,565,768) |
| Income tax expense computed at an applicable tax rate of 25% | 56,993 | 405,735 | (309,850) | 257,579 | 1,833,708 | (2,891,442) |
| Effect of preferential tax rate for small and micro enterprises | (73,542) | (523,543) | 47,403 | (193,684) | (1,378,838) | 555,107 |
| Super deduction for research and development expense | (28,157) | (200,454) | (526,540) | (92,105) | (655,695) | (421,455) |
| Effect of non-deductible items | 43,298 | 308,239 | 13,606 | 4,716 | 33,574 | 182,921 |
| Changes in valuation allowance | (284,529) | (2,025,561) | 775,381 | 23,494 | 167,251 | 2,574,869 |
| Effective income tax rate | (283,206) | (2,016,143) | 0 | $ 0 | ¥ 0 | ¥ 0 |
| Effect of tax rate differences in various jurisdictions | $ 2,731 | ¥ 19,441 | ¥ 0 | |||
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- Definition The portion of earnings or loss from continuing operations before income taxes that is attributable to domestic operations. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations, attributable to increase (decrease) in the income tax rates. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to nondeductible expenses. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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