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Summary of significant accounting policies (Details)	12 Months Ended
	Sep. 30, 2024
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
Property plant and equipment useful life [Member]
Property plant and equipment useful life	20 years

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