v3.26.1
Taxes (Details)
6 Months Ended
Sep. 30, 2025
USD ($)
Mar. 31, 2026
CNY (¥)
Mar. 31, 2025
Mar. 31, 2026
USD ($)
Taxes [Line Items]        
Total of net operating losses carried forward | $ $ 1,931,100     $ 2,822,442
Underpayment of taxes | ¥   ¥ 100,000    
Statute of limitation period   10 years    
Extended statute of limitation period   5 years    
Tax Jurisdiction of Domicile [Extensible Enumeration]   Statutory income tax rate Statutory income tax rate  
Minimum [Member]        
Taxes [Line Items]        
Preferential effective tax rates   2.50%    
Expire date May 31, 2026 May 31, 2027    
Maximum [Member]        
Taxes [Line Items]        
Preferential effective tax rates   5.00%    
Expire date May 31, 2030 May 31, 2031    
Hong Kong [Member]        
Taxes [Line Items]        
Statutory income tax rate   16.50%    
PRC [Member]        
Taxes [Line Items]        
Statutory income tax rate   25.00% 25.00%  
Enterprise income tax rate while preferential tax rates   25.00%