v3.26.1
Related parties (Details Narrative) - USD ($)
12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Related Party Transaction [Line Items]    
Rental expenses $ 8,635 $ 83,041
Wuxi Kingway Technology Co., Ltd [Member]    
Related Party Transaction [Line Items]    
Interest income 26,430  
Columbus Digital Technology (Shenzhen) Co., Ltd. [Member]    
Related Party Transaction [Line Items]    
Rental expenses $ 102,079  
Promissory Notes [Member] | Xuejun Ji [Member]    
Related Party Transaction [Line Items]    
Interest rate 6.00%  
Interest expense $ 22,684  
Promissory Notes [Member] | Bin Fu [Member]    
Related Party Transaction [Line Items]    
Interest rate 6.00%  
Interest expense $ 12,167  
Promissory Notes [Member] | Peng Wang [Member]    
Related Party Transaction [Line Items]    
Interest rate 6.00%  
Interest expense $ 14,631