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Property and Equipment, Net (Tables)
12 Months Ended
Dec. 31, 2017
Property and Equipment, Net [Abstract]  
Summary of property and equipment
  2017  2016 
Plant and machinery $2,461,719  $2,288,059 
Automobiles  147,310   138,029 
Office and computer equipment  51,034   26,713 
Total property and equipment  2,660,063   2,452,801 
Less: Accumulated depreciation  (2,128,596)  (1,046,661)
Property and equipment, net $531,467  $1,406,140