Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

ACCOUNTS RECEIVABLE - Allowance for Doubtful Accounts (Details)

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ACCOUNTS RECEIVABLE - Allowance for Doubtful Accounts (Details) - USD ($)
12 Months Ended
Sep. 30, 2020
Sep. 30, 2019
ACCOUNTS RECEIVABLE    
Beginning balance $ 1,919,152 $ 1,997,310
Exchange difference 101,221 (78,158)
Ending balance $ 2,020,373 $ 1,919,152