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Inventories
6 Months Ended
Jun. 30, 2013
Inventories [Abstract]  
Inventories
  6. Inventories

 

    June 30,     December 31,  
    2013     2012  
    (Unaudited)        
    $     $  
             
Raw materials     4,335,290       4,237,094  
Work in progress     2,340,783       2,678,471  
Finished goods     11,829,480       9,647,671  
Packing materials     18,637       12,727  
Consumables     273,231       143,844  
                 
      18,797,421       16,719,807  

 

Where there is evidence that the utility of inventories, in their disposal in the ordinary course of business, will be less than cost, whether due to physical deterioration, obsolescence, changes in price levels, or other causes, the inventories are written down to fair value for the difference with charges to cost of sales. $78,396 and $462,263 was written down for inventories in the six months ended June 30, 2013 and 2012, respectively.