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Intangible Assets (Tables)
3 Months Ended
Mar. 31, 2017
Intangible Assets [Abstract]  
Summary of intangible assets
  Useful life March 31, 2017  December 31, 2016 
Land use rights 45 - 50 years $3,917,360  $3,887,915 
Patent use rights 10 years  2,321,330   2,303,882 
     6,238,690   6,191,797 
Less: accumulated amortization    (994,454)  (908,102)
    $5,244,236  $5,283,695 
Schedule of amortization of intangible assets attributable to future periods
Twelve-month periods ending March 31: Amount 
2018 $317,897 
2019  317,897 
2020  317,897 
2021  317,897 
2022  317,897 
Thereafter  3,654,751 
  $5,244,236