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Accrued Expenses and Other Payables (Tables)
12 Months Ended
Sep. 30, 2021
Payables and Accruals [Abstract]  
Schedule of accrued expenses and other payables
   As of September 30, 
   2020   2021 
Other taxes payable(1)  $3,502,262   $6,559,454 
Payroll payable   181,583    292,126 
Others   69,972    291,050 
Accrued expenses and other payables  $3,753,817   $7,142,630 

 

(1) The balance mainly represented the VAT payable of $3,124,232 and $ 5,875,913 as of September 30, 2020 and 2021, respectively.