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Summary of significant accounting policies (Tables) | 12 Months Ended
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Sep. 30, 2024
Summary of significant accounting policies |
Schedule of property plant and equipment useful life |
|  | Useful life |
Property and buildings |  | 20 years |
Machinery and equipment |  | 10 years |
Vehicles |  | 4 years |
Office equipment |  | 3 - 5 years |
Schedule of finite-lived intangible assets, useful life |
|  | September 30, |  |  | September 30, |  |  | September 30, |
|  | 2024 |  |  | 2023 |  |  | 2022 |
Value-added tax refund |  |  | - |  |  | $ | 465,072 |  |  | $ | 636,536 |
Becoming a public company |  |  | - |  |  |  | - |  |  |  | 760,711 |
Investment grant |  |  | - |  |  |  | 292,487 |  |  |  | - |
Equipment of energy projects grants |  | $ | 81,896 |  |  |  | 97,366 |  |  |  | 132,211 |
Research and development grants |  |  | - |  |  |  | 71,058 |  |  |  | - |
Other miscellaneous grants |  |  | - |  |  |  | - |  |  |  | 107,033 |
Total |  | $ | 81,896 |  |  | $ | 925,983 |  |  | $ | 1,636,491 |

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