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Prepayments and Other Current Assets (Tables)
12 Months Ended
Dec. 31, 2017
Prepayments and Other Current Assets [Abstract]  
Summary of prepayments and other current assets

  December 31,  December 31, 
  2017  2016 
Prepaid land lease $459,123  $432,464 
Prepayment for purchase of materials  183,649   4,325 
Others  8,751   19,103 
  $651,523  $455,892