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Prepayments and Other Current Assets (Tables)
6 Months Ended
Jun. 30, 2018
Prepayments and Other Current Assets [Abstract]  
Schedule of prepayments and other current assets
  June 30,  December 31, 
  2018  2017 
Prepaid land lease $190,430  $459,123 
Prepayment for purchase of materials  2,727,355   183,649 
Others  10,028   8,751 
  $2,927,813  $651,523