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INVENTORIES (Tables)
12 Months Ended
Dec. 31, 2012
INVENTORIES  
Schedule of inventories

 

 

 
  At December 31,
2011
  At December 31,
2012
 
 
  $
  $
 

Raw materials

    50,062,944     40,197,952  

Work-in-process

    49,157,454     16,739,907  

Finished goods

    197,347,729     217,517,939  
           

 

    296,568,127     274,455,798