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Inventories
9 Months Ended
Sep. 30, 2012
Inventories [Abstract]  
Inventories
7. Inventories

 

    September 30,     December 31,  
    2012     2011  
    (Unaudited)        
    $     $  
             
Raw materials     4,823,273       4,508,201  
Work in progress     1,935,464       900,440  
Finished goods     10,011,053       7,923,101  
Packing materials     17,734       15,581  
Consumables     177,292       165,619  
                 
      16,964,816       13,512,942  

 

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 their fair value for the difference with charges to cost of sales. $431,470 and $523,921 were written down for inventories as of September 30, 2012 and December 31, 2011, respectively.