Related party transactions (Details Narrative) - USD ($)	12 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Dec. 31, 2023
Related Party Transaction [Line Items]
Salaries Wages And Officers Compensation Description	Li’ou Xie, one of the shareholders of the Group, entered into a labor contract with the Group’s wholly-owned subsidiary, SGTCL, on January 1, 2024. Pursuant to the terms of the labor contract, Mr. Xie serves as the financial manager for a term of three years, concluding on December 31, 2026, at a monthly salary and bonus of RMB52,200 (approximately US$7,346)
Chief Executive Officer [Member]
Related Party Transaction [Line Items]
Annual salary	$ 60,000
B E Y E B E [Member]
Related Party Transaction [Line Items]
Principal amount			$ 1,000,000
Interest rate			7.50%
Outstanding balance loan amount	481,788
Outstanding balance loan amount	112,552	$ 214,748
Interest payable	332	14,281
S Z B E Y E B E [Member]
Related Party Transaction [Line Items]
License fee	$ 300,000
License Agreement Expiration Date	Dec. 31, 2040
Fixed fee license revenue	$ 282,000	0
Royalty Income, Nonoperating	35,257	0
Service fee revenue	$ 46,469	$ 0