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ACCOUNTS RECEIVABLE, NET (Details 1) - USD ($)
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Credit Loss [Abstract]    
Beginning balance $ 1,467,374 $ 644,090
(Write-off)/Addition (871,670) 842,179
Exchange rate effect 9,740 (18,895)
Ending balance $ 605,444 $ 1,467,374