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Other Receivables and Prepayments, Net (Tables)
 12 Months Ended
Dec. 31, 2020
Other Receivables And Prepayments Net [Abstract]  
Schedule of other receivables and prepayments
   2020   2019 
Rental deposits  $-    $36,846 
Prepaid expenses   74,500    29,939 
Interest receivable   16,130    - 
Advances to employees   83    78 
    90,713    66,863 
Less: reserves for doubtful accounts   (56,771)   (47,996)
Other receivables and prepayment, net  $33,942   $18,867