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Property, Plant and Equipment (Tables)
12 Months Ended
Dec. 31, 2019
Property, Plant and Equipment [Abstract]  
Schedule of Property, Plant and Equipment

As of December 31, 2019 and 2018, property, plant and equipment consist of:

 

    December 31,  
    2019     2018  
Office buildings   $ 4,822,303     $ 4,833,162  
Electronic equipment, furniture and fixtures     5,029,249       4,385,548  
Motor vehicles     242,265       225,101  
Purchased software     15,538,161       13,321,814  
      25,631,978       22,765,625  
Less: accumulated depreciation     (13,796,462 )     (11,166,209 )
Property, plant and equipment, net   $ 11,835,516     $ 11,599,416