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Income Taxes (Details) - Schedule of consolidated statements of income and comprehensive income of reconciliation for income taxes - USD ($)
12 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2019
Schedule of consolidated statements of income and comprehensive income of reconciliation for income taxes [Abstract]      
Income before taxes $ 2,468,045 $ 3,575,248 $ 6,446,944
PRC EIT tax rates 15.00% 15.00% 15.00%
Tax at the PRC EIT tax rates $ 370,207 $ 536,287 $ 967,042
Tax effect of R&D expenses deduction (231,474) (238,573) (199,925)
Tax effect of non-taxable investment income and government grant (138,733) (120,754) (72,160)
Tax effect of non-deductible expenses 41,989 310,233
Tax effect of deferred tax recognized (89,000)
Income tax expenses (benefits) $ (89,000) $ 218,949 $ 1,005,190