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Prepayments and Other Current Assets (Tables)
 12 Months Ended
Dec. 31, 2019
Prepayments and Other Current Assets [Abstract]  
Schedule of prepayments and other current assets [Table Text Block]
   December 31,   December 31, 
   2019   2018 
Prepaid land lease  $301,023   $437,114 
Prepayment for purchase of materials   5,394,297    - 
Value-added tax recoverable   5,666,975    5,760,280 
Others   250,946    43,905 
   $11,613,241   $6,241,299