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Contract Assets - Schedule of Contract Assets Net of Allowance For Credit Loss (Details) - USD ($) | Mar. 31, 2026 | Sep. 30, 2025
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Schedule of Contract Assets Net of Allowance for Credit Loss [Abstract] |  |
Contract assets | $ 748,143 | $ 559,057
Less: allowance for expected credit loss | (8,530) | (5,839)
Total | $ 739,613 | $ 553,218

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