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Inventories
6 Months Ended
Jun. 30, 2011
Inventories
7.
Inventories
 
 
 
As of
   
As of
 
   
June 30,
   
December 31,
 
   
2011
   
2010
 
   
(Unaudited)
       
             
Raw materials
  $ 656,121     $ 570,487  
Work in progress
    2,032,562       502,620  
Finished goods
    2,327,306       3,380,858  
                 
      5,015,989       4,453,965  
Allowance for obsolete inventories
    (398,559 )     (390,830 )
                 
    $ 4,617,430     $ 4,063,135