XML 54 R27.htm IDEA: XBRL DOCUMENT v3.22.1
Accounts Receivable (Tables)
12 Months Ended
Sep. 30, 2021
Accounts Receivable [Abstract]  
Schedule of accounts receivable
   2021   2020 
Accounts receivable  $24,364,198   $16,529,251 
Accounts receivable – related parties   3,981,697    1,914,380 
Less: allowance for doubtful accounts   (3,066,937)   (2,910,554)
Accounts receivable, net  $25,278,958   $15,533,077 

  

Schedule of changes of allowance for doubtful accounts
   2021   2020 
Beginning balance  $2,910,554   $2,764,735 
Bad debt write-off   
-
    
-
 
Exchange difference   156,383    145,819 
Ending balance  $3,066,937   $2,910,554