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Bank Loans (Details) - Schedule of bank loans - USD ($)
Sep. 30, 2021
Dec. 31, 2020
Schedule of bank loans [Abstract]    
Mortgage loan $ 4,949,892 $ 5,064,142
Line of revolving loan 5,567,564 6,322,417
Total bank loans 10,517,456 11,386,559
Reclassifying as:    
Current portion 5,691,225 6,446,139
Long-term portion (more than 12 months) 4,826,231 4,940,420
Total bank loans $ 10,517,456 $ 11,386,559