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Lease (Tables)
 12 Months Ended
Dec. 31, 2020
Leases [Abstract]  
Schedule of right-of-use assets
   Prepaid
land lease
payments		 
Balance as of January 1, 2020  $7,194,195 
Amortization charge for the year   (162,763)
Foreign exchange adjustment   (469,348)
Balance as of December 31, 2020  $7,500,780 
Schedule of components of net investment in sales-type leases
  December 31,   December 31, 
   2019   2020 
Total future minimum lease payments receivable  $       -    1,210,305 
Less: unearned income, representing interest   -    (124,653)
Present value of minimum lease payments receivables   -    1,085,652 
Less: Current portion   -    (235,245)
Non-current portion  $-    850,407 
Schedule of future minimum lease payments receivable for sales type leases
Fiscal years ending December  Total Minimum Lease Payments to be Received   Amortization of Unearned Income   Net Investment in Sales Type Leases 
2021  $299,850   $64,605   $235,245 
2022   422,755    41,852    380,903 
2023   422,755    17,654    405,101 
2024   64,945    542    64,403 
2025   -    -    - 
Thereafter   -    -    - 
    1,210,305    124,653    1,085,652