Research and development expenses (Details) |
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 (¥)
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Mar. 31, 2024
CNY (¥)
|
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| DisclosureLineElements [Line Items] | ||||||
| Depreciation | $ 21,620 | ¥ 153,914 | ¥ 132,329 | $ 36,031 | ¥ 256,508 | ¥ 146,013 |
| Total research and development expenses | 181,988 | 1,295,572 | 3,510,266 | 614,033 | 4,371,300 | 2,809,699 |
| R And D Expense [Member] | ||||||
| DisclosureLineElements [Line Items] | ||||||
| Salaries and employee benefit | 144,995 | 1,032,221 | 3,401,070 | 309,319 | 2,202,044 | 1,029,478 |
| Service charge | 35,051 | 249,530 | 0 | 302,691 | 2,154,856 | 1,725,980 |
| Travel, Meals and Entertainment | 0 | 0 | 5,869 | |||
| Rental | 0 | 0 | 29,811 | |||
| Depreciation | 0 | 0 | 90,275 | 2,023 | 14,400 | 0 |
| Others | 1,942 | 13,821 | 18,921 | 0 | 0 | 18,561 |
| Total research and development expenses | $ 181,988 | ¥ 1,295,572 | ¥ 3,510,266 | $ 614,033 | ¥ 4,371,300 | ¥ 2,809,699 |
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- Definition The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of expense for salary, wage, profit sharing; incentive and equity-based compensation; and other employee benefit. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of other research and development expense. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of expense for research and development. Includes, but is not limited to, cost for computer software product to be sold, leased, or otherwise marketed and writeoff of research and development assets acquired in transaction other than business combination or joint venture formation or both. Excludes write-down of intangible asset acquired in business combination or from joint venture formation or both, used in research and development activity. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Expenses incurred for travel and entertainment during the period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Details
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