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Bank Loans (Tables)
6 Months Ended
Jun. 30, 2021
Bank Loans [Abstract]  
Schedule of short-term bank loan
   June 30,   December 31, 
   2021   2020 
Cathay United Bank  $268,500   $267,000 
CTBC Bank   716,000    712,000 
Cathay Bank   650,000    650,000 
Total  $1,634,500   $1,629,000