v3.26.3
Concentration and risk (Details 1) - Accounts Receivable [Member] - Customer Concentration Risk [Member]
12 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Customer D [Member]    
Concentration Risk [Line Items]    
Concentration of credit risk 10.20%
Customer E [Member]    
Concentration Risk [Line Items]    
Concentration of credit risk 42.70%
Customer F [Member]    
Concentration Risk [Line Items]    
Concentration of credit risk 38.30%
Customer G [Member]    
Concentration Risk [Line Items]    
Concentration of credit risk 19.00%
Customer H [Member]    
Concentration Risk [Line Items]    
Concentration of credit risk 43.70%
Customer I [Member]    
Concentration Risk [Line Items]    
Concentration of credit risk 12.80%