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Construction in Progress (Tables)
9 Months Ended
Sep. 30, 2021
Construction In Progress [Abstract]  
Schedule of construction in progress
   December 31,   September 30, 
   2020   2021 
Construction in progress  $27,070,916   $45,917,555 
Prepayment for acquisition of property, plant and equipment   3,122,393    3,328,560 
Carrying amount  $30,193,309   $49,246,115