v3.26.1
Bank Loans (Details)
6 Months Ended 12 Months Ended
Jun. 16, 2025
CNY (¥)
Mar. 31, 2026
CNY (¥)
Mar. 31, 2026
USD ($)
Mar. 31, 2025
USD ($)
Sep. 30, 2025
CNY (¥)
Sep. 30, 2025
USD ($)
Mar. 31, 2026
USD ($)
Sep. 30, 2025
USD ($)
Jun. 16, 2025
USD ($)
Feb. 15, 2023
CNY (¥)
Feb. 15, 2023
USD ($)
Bank Loans [Line Items]                      
Loan amount             $ 434,909 $ 421,408      
Loan amount obtained             $ 3,566,251 3,525,777      
Outstanding balance of loan   ¥ 7,000,000 $ 1,014,786   ¥ 7,500,000 $ 1,053,519          
Interest expenses on loans     $ 153,417 $ 105,443              
Minimum [Member]                      
Bank Loans [Line Items]                      
Variable interest rate   4.70%         4.70%        
Maximum [Member]                      
Bank Loans [Line Items]                      
Variable interest rate   7.20%         7.20%        
Zhejiang Wenzhou Lucheng Rural Commercial Bank Company Limited [Member]                      
Bank Loans [Line Items]                      
Loan amount ¥ 3,000,000               $ 434,909 ¥ 8,500,000  
Short term loan maturing term 1 year                    
Fixed annual interest rate 4.80%               4.80%    
Longwan RCB [Member]                      
Bank Loans [Line Items]                      
Loan amount obtained   ¥ 14,600,000     ¥ 14,600,000   $ 2,116,556 2,050,850      
Wenzhou Minshang Bank [Member]                      
Bank Loans [Line Items]                      
Loan amount obtained [1]             $ 1,014,786 $ 1,053,519      
Fixed annual interest rate                   7.50% 7.50%
Wenzhou Minshang Bank [Member] | Loan Agreement [Member]                      
Bank Loans [Line Items]                      
Loan amount obtained                     $ 1,193,988
Bank Loans [Member]                      
Bank Loans [Line Items]                      
Weighted average interest rate   6.20%   6.50%     6.20%        
[1] On February 15, 2023, the Company entered into a loan agreement with Wenzhou Minshang Bank to obtain a loan of $1,193,988 (RMB8,500,000) for a term from February 15, 2023 to February 15, 2028 at a fixed annual interest rate of 7.5%. The CEO and his wife provided a personal guaranty for the repayment of the loan. The CEO’s wife pledged personal property as collateral to secure the loan. As of March 31, 2026 and September 30, 2025, the outstanding balance of the loan was $1,014,786 (RMB7.0 million) and $1,053,519 (RMB7.5 million), respectively.