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Income Taxes - Schedule of Effective Income Tax Rate (Details) - USD ($) | 6 Months Ended
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Mar. 31, 2026 | Mar. 31, 2025
Effective Income Tax Rate Reconciliation [Line Items] |  |
Statutory tax rate of BVI (0%), amount |  |
Statutory tax rate of BVI (0%), percentage |  |
Foreign jurisdiction — Hong Kong Profits Tax (16.5%), amount |  | 793,887
HK two-tiered profits tax regime, amount | $ (21,154) |
HK two-tiered profits tax regime, percentage | (343.40%) |
Non-deductible expenses, amount | $ 57,879 | 38,520
Non-deductible expenses, percentage | 939.60% |
Non-taxable income, amount | $ (27,584) |
Non-taxable income, percentage | (447.80%) |
Foreign jurisdiction – the PRC Profits Tax (5%), amount |  | 793,887
Change in valuation allowance of deferred income tax assets, amount | $ 740 |
Change in valuation allowance of deferred income tax assets, percentage | 12.00% |
Effect of rates different than statutory, amount | $ (1,125) | 92,471
Effect of rates different than statutory, percentage | (18.30%) |
Total income tax expenses and effective income tax rate, amount | $ 37,047 | $ 110,177
Total income tax expenses and effective income tax rate, percentage | 601.40% |
Hong Kong Profits Tax [Member] |  |
Effective Income Tax Rate Reconciliation [Line Items] |  |
Foreign jurisdiction — Hong Kong Profits Tax (16.5%), amount | $ 28,291 |
Foreign jurisdiction — Hong Kong Profits Tax (16.5%), percentage | 459.30% |
Foreign jurisdiction – the PRC Profits Tax (5%), amount | $ 28,291 |
Foreign jurisdiction – the PRC Profits Tax (5%), percentage | 459.30% |
The PRC Profits Tax [Member] |  |
Effective Income Tax Rate Reconciliation [Line Items] |  |
Foreign jurisdiction — Hong Kong Profits Tax (16.5%), amount |  |
Foreign jurisdiction — Hong Kong Profits Tax (16.5%), percentage |  |
Foreign jurisdiction – the PRC Profits Tax (5%), amount |  |
Foreign jurisdiction – the PRC Profits Tax (5%), percentage |  |

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