v3.26.1
Concentration of Risk (Details)
 6 Months Ended 12 Months Ended
Mar. 31, 2026
USD ($)
Mar. 31, 2025
Sep. 30, 2025
CNY (¥)
Mar. 31, 2026
CNY (¥)
Total Revenues [Member] | Customer Concentration Risk [Member] | Customer One [Member]        
Concentration of Risk [Line Items]        
Concentration risk, percentage 31.72% 39.21%    
Total Revenues [Member] | Customer Concentration Risk [Member] | Customer Two [Member]        
Concentration of Risk [Line Items]        
Concentration risk, percentage 24.43% 29.67%    
Total Revenues [Member] | Customer Concentration Risk [Member] | Customer Three [Member]        
Concentration of Risk [Line Items]        
Concentration risk, percentage 14.20% 15.86%    
Accounts Receivable [Member] | Customer Concentration Risk [Member] | Customer One [Member]        
Concentration of Risk [Line Items]        
Concentration risk, percentage 42.52%   61.30%  
Accounts Receivable [Member] | Customer Concentration Risk [Member] | Customer Two [Member]        
Concentration of Risk [Line Items]        
Concentration risk, percentage 36.33%   17.30%  
Accounts Receivable [Member] | Customer Concentration Risk [Member] | Customer Three [Member]        
Concentration of Risk [Line Items]        
Concentration risk, percentage 18.45%   11.30%  
Total Purchase [Member] | Vendor Concentration Risk [Member] | Vendor One [Member]        
Concentration of Risk [Line Items]        
Concentration risk, percentage 53.62% 44.33%    
Total Purchase [Member] | Vendor Concentration Risk [Member] | Vendor Two [Member]        
Concentration of Risk [Line Items]        
Concentration risk, percentage   16.79%    
Total Purchase [Member] | Vendor Concentration Risk [Member] | Vendor Three [Member]        
Concentration of Risk [Line Items]        
Concentration risk, percentage   13.47%    
Accounts Payable [Member] | Vendor Concentration Risk [Member] | Vendor One [Member]        
Concentration of Risk [Line Items]        
Concentration risk, percentage 61.80%   61.00%  
Accounts Payable [Member] | Vendor Concentration Risk [Member] | Vendor Two [Member]        
Concentration of Risk [Line Items]        
Concentration risk, percentage 16.57%   10.60%  
Accounts Payable [Member] | Vendor Concentration Risk [Member] | Vendor Three [Member]        
Concentration of Risk [Line Items]        
Concentration risk, percentage 14.00%      
PRC [Member]        
Concentration of Risk [Line Items]        
Deposited value $ 439,708   ¥ 386,254 ¥ 3,033,108