v3.25.2
Related party transactions (Details Narrative) - USD ($)
3 Months Ended 9 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Dec. 31, 2023
Related Party Transaction [Line Items]          
Fixed fee license revenue     $ 211,500 $ 0  
Royalty revenue     $ 34,796 0  
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$7,357)    
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     257,041    
Outstanding balance loan amount $ 0 $ 106,210 0 106,210  
Interest payable 0 813 0 813  
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 70,500 $ 211,500  
Royalty revenue $ 34,796