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Property, Plant and Equipment, net (Tables)
6 Months Ended
Jun. 30, 2018
SCHEDULE OF PROPERTY, PLANT AND EQUIPMENT [Table Text Block]
    December 31,     June 30,  
    2017     2018  
Buildings $ 24,979,022   $ 24,554,063  
Machinery and equipment   13,977,734     18,358,651  
Office equipment   184,014     199,888  
Motor vehicles   206,190     228,172  
    39,346,960     43,340,774  
Impairment   (1,010,216 )   (993,029 )
Accumulated depreciation   (3,371,234 )   (4,381,956 )
Carrying amount $ 34,965,510   $ 37,965,789