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Right-of-use assets (Table)
 3 Months Ended
Mar. 31, 2020
Right-of-use Assets  
Schedule of prepaid land use rights

 

   Prepaid land 
   lease payments 
Balance as of January 1, 2020  $7,194,195 
Amortization charge for the period   (40,244)
Foreign exchange adjustment   (118,218)
Balance as of March 31, 2020  $7,035,733