Summary of significant accounting policies (Details) |
12 Months Ended |
|---|---|
Sep. 30, 2025 | |
| Machinery and Equipment [Member] | |
| Property plant and equipment useful life | 10 years |
| Vehicles [Member] | |
| Property plant and equipment useful life | 4 years |
| Office Equipment [Member] | Minimum [Member] | |
| Property plant and equipment useful life | 3 years |
| Office Equipment [Member] | Maximum [Member] | |
| Property plant and equipment useful life | 5 years |