Restricted net assets (Details) - USD ($) |
12 Months Ended | |
|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
|
| Disclosure Text Block Supplement [Abstract] | ||
| Minimum reserve percentage of after tax profit | 10.00% | |
| Percentage of registered capital | 50.00% | |
| Restricted paid in capital and statutory reserve funds | $ 5,506,343 | $ 5,371,012 |