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Trade Receivables, Net (Tables)
 12 Months Ended
Dec. 31, 2021
Accounts Receivable, Net [abstract]  
Schedule of trade receivable
   As of December 31, 
   2021   2020 
Trade receivables  $4,939,568   $5,468,911 
Allowance for doubtful accounts   
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Trade receivables, net  $4,939,568   $5,468,911 

 
Schedule of company’s trade receivables
   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 

 

   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 

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