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Trade Receivables, Net
 12 Months Ended
Dec. 31, 2021
Accounts Receivable, Net [abstract]  
TRADE RECEIVABLES, NET
6. TRADE RECEIVABLES, NET

  

   As of December 31, 
   2021   2020 
Trade receivables  $4,939,568   $5,468,911 
Allowance for doubtful accounts   
-
    
-
 
Trade receivables, net  $4,939,568   $5,468,911 

 

The following tables details the Company’s trade receivables as of:

 

December 31, 2021

 

   Trade receivables - as of December 31, 2021 
   Current   <30   31-60   61-90   91 and over   Total 
Trade receivables  $4,449,831   $361,327   $85,385   $20,487   $22,538   $4,939,568 

 

December 31, 2020

 

   Trade receivables - as of December 31, 2020 
   Current   <30   31-60   61-90   91 and over   Total 
Trade receivables  $5,073,178   $250,408   $103,581   $14,891   $26,853   $5,468,911 

  

The allowance for doubtful accounts are as below:

 

Balance at December 31, 2019  $(2,999)
Recovery of doubtful accounts   2,872 
Write off   
-
 
Exchange difference   127 
Balance at December 31, 2020 and 2021  $
-