Prepayments and other current assets (Details) |
Sep. 30, 2025
USD ($)
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Sep. 30, 2025
CNY (¥)
|
Mar. 31, 2025
USD ($)
|
Mar. 31, 2025
CNY (¥)
|
Mar. 31, 2024
CNY (¥)
|
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| Prepayments And Other Current Assets | ||||||||||||||||||||||||||||||
| Advances to vendors (a) | $ 87,086 | [1] | ¥ 619,964 | [1] | $ 42,783 | [2] | ¥ 304,572 | [1] | ¥ 6,941,758 | [2] | ||||||||||||||||||||
| Loans to third-parties (b) | 698,060 | [3] | 4,969,486 | [3] | 63,069 | [4] | 448,990 | [3] | 1,046,500 | [4] | ||||||||||||||||||||
| Rental deposits (c) | 172,105 | [5] | 1,225,218 | [5] | 111,579 | [6] | 794,329 | [5] | 629,340 | [6] | ||||||||||||||||||||
| Advance to employees (d) | 44,648 | [7] | 317,846 | [7] | 75,821 | [8] | 539,770 | [7] | 455,351 | [8] | ||||||||||||||||||||
| Others (e) | 19,912 | [9] | 141,759 | [9] | 51,478 | [10] | 366,475 | [9] | 258,942 | [10] | ||||||||||||||||||||
| Prepayments and other current assets | $ 1,021,811 | ¥ 7,274,273 | $ 344,730 | ¥ 2,454,136 | ¥ 9,331,891 | |||||||||||||||||||||||||
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