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Taxes (Details) - Schedule of Effective Tax Rate
6 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Schedule of effective tax rate [Abstract]    
China Income tax statutory rate 25.00% 25.00%
Effect of PRC tax holiday (9.90%) (9.80%)
Permanent difference 0.00% 0.20%
Research and development tax credit (4.80%) (10.60%)
Change in valuation allowance 0.10% (0.90%)
Effective tax rate 10.40% 3.90%