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Concentration of risk (Details Narrative) - USD ($)	3 Months Ended		9 Months Ended		12 Months Ended
Concentration of risk (Details Narrative) - USD ($)	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024	Sep. 30, 2024
Concentration Risk [Line Items]
Deposits	$ 1,239,570		$ 1,239,570		$ 1,526,661
Cash uninsured limit	976,997		976,997
Outstanding of accounts receivable
Outstanding of accounts payable
Customer Concentration Risk [Member] \| Revenue Benchmark [Member] \| Two Customers [Member]
Concentration Risk [Line Items]
Concentration risk percentage	100.00%		76.00%
Customer Concentration Risk [Member] \| Revenue Benchmark [Member] \| Three Customers [Member]
Concentration Risk [Line Items]
Concentration risk percentage	98.00%		100.00%
Supplier Concentration Risk [Member] \| Cost of Goods and Service Benchmark [Member] \| Two Suppliers [Member]
Concentration Risk [Line Items]
Concentration risk percentage	100.00%	100.00%	100.00%	58.00%
Supplier Concentration Risk [Member] \| Accounts Payable [Member] \| Two Suppliers [Member]
Concentration Risk [Line Items]
Concentration risk percentage					51.00%
Maximum [Member]
Concentration Risk [Line Items]
Cash FDIC insurance limit	$ 250,000		$ 250,000