v3.26.1
Summary of Significant Accounting Policies - Schedule of Concentration of Major Customers and Suppliers (Details) - USD ($)
 6 Months Ended
Mar. 31, 2026
Sep. 30, 2025
Mar. 31, 2025
Customer Concentration Risk [Member] | Customer A [Member] | Revenue Benchmark [Member]      
Major customers representing more than 10% of the Company’s revenues      
Revenues $ 3,543,677   $ 3,007,516
Concentration risk, percentage 23.90%   21.90%
Customer Concentration Risk [Member] | Customer A [Member] | Accounts Receivable [Member]      
Major customers representing more than 10% of the Company’s revenues      
Concentration risk, percentage 21.20% 11.40%  
Accounts receivable, net $ 262,535 $ 114,582  
Customer Concentration Risk [Member] | Customer B [Member] | Revenue Benchmark [Member]      
Major customers representing more than 10% of the Company’s revenues      
Revenues $ 1,998,160   $ 2,454,365
Concentration risk, percentage 13.50%   17.90%
Customer Concentration Risk [Member] | Customer B [Member] | Accounts Receivable [Member]      
Major customers representing more than 10% of the Company’s revenues      
Concentration risk, percentage 11.90% 8.40%  
Accounts receivable, net $ 146,894 $ 83,948  
Customer Concentration Risk [Member] | Customer [Member] | Revenue Benchmark [Member]      
Major customers representing more than 10% of the Company’s revenues      
Revenues $ 5,541,837   $ 5,461,881
Concentration risk, percentage 37.40%   39.80%
Customer Concentration Risk [Member] | Customer [Member] | Accounts Receivable [Member]      
Major customers representing more than 10% of the Company’s revenues      
Concentration risk, percentage 33.10% 19.80%  
Accounts receivable, net $ 409,429 $ 198,530  
Supplier Concentration Risk [Member] | Cost of revenues [Member] | Panaicia Pty Ltd (note) [Member]      
Major customers representing more than 10% of the Company’s revenues      
Concentration risk, percentage [1] 63.10%   61.90%
Cost of revenue [1] $ 8,695,611   $ 7,594,925
Supplier Concentration Risk [Member] | Cost of revenues [Member] | Supplier A [Member]      
Major customers representing more than 10% of the Company’s revenues      
Concentration risk, percentage 12.10%   12.70%
Cost of revenue $ 1,664,202   $ 1,562,403
Supplier Concentration Risk [Member] | Cost of revenues [Member] | Supplier [Member]      
Major customers representing more than 10% of the Company’s revenues      
Concentration risk, percentage 75.20%   74.60%
Cost of revenue $ 10,359,813   $ 9,157,328
Supplier Concentration Risk [Member] | Accounts Payable [Member] | Panaicia Pty Ltd (note) [Member]      
Major customers representing more than 10% of the Company’s revenues      
Concentration risk, percentage [1] 25.50%  
Accounts payables, net [1] $ 199,565  
Supplier Concentration Risk [Member] | Accounts Payable [Member] | Supplier A [Member]      
Major customers representing more than 10% of the Company’s revenues      
Concentration risk, percentage 31.30% 26.70%  
Accounts payables, net $ 244,932 $ 198,892  
Supplier Concentration Risk [Member] | Accounts Payable [Member] | Supplier [Member]      
Major customers representing more than 10% of the Company’s revenues      
Concentration risk, percentage 56.80% 26.70%  
Accounts payables, net $ 444,497 $ 198,892  
[1] Panaicia Pty Ltd is a related party of the Company, in which its sole director and sole shareholder is one of the directors of the Company, Mr. Wai Yiu Yau.