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PREPAYMENTS, NET
 12 Months Ended
Dec. 31, 2020
Notes to Financial Statements  
PREPAYMENTS, NET
  7. Prepayments, net

 

Prepayments, net consist of the following:

 

    December 31,     December 31,  
    2020     2019  
Prepayments   $ 2,065,410     $ 487,841  
Allowance for doubtful accounts     (147,630 )     (188,264 )
Total prepayments, net   $ 1,917,780     $ 299,577  
                 
Movements of allowance for doubtful accounts are as follows:
                 
Beginning balance   $ 188,264     $ 127,740  
Addition     22,626       66,045  
Exchange rate effect     (63,260 )     (2,521 )
Ending balance   $ 147,630     $ 188,264