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Property, Plant and Equipment
3 Months Ended
Mar. 31, 2012
Property, Plant and Equipment [Text Block]
4.  
Property, Plant and Equipment
 
Property, plant and equipment consist of the following:
 
 
March 31,
2012
   
December 31,
2011
 
Machinery and equipment
    $ 32,594,571         $ 30,856,247  
Furniture and office equipment
      182,319           178,045  
Motor vehicles
      444,335           443,870  
Buildings
      30,587,305           25,777,820  
Property, plant and equipment, gross
      63,808,530           57,255,982  
Less: accumulated depreciation
      (14,024,076 )         (12,978,754 )
Property, plant and equipment, net
    $ 49,784,454         $ 44,277,228  
 
Depreciation expense included in general and administration expenses for the three months ended March 31, 2012 and 2011 was $82,839 and $48,072, respectively. Depreciation expense included in cost of sales for the three months ended March 31, 2012 and 2011 was $577,959 and $772,181, respectively.