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PREPAYMENT AND OTHER CURRENT ASSETS
 12 Months Ended
Dec. 31, 2011
Prepayment and Other Current Assets [Abstract]  
Prepayment and Other Current Assets [Text Block]
4.PREPAYMENT AND OTHER CURRENT ASSETS

 

Prepayment and other current assets consist of the following:

 

  December 31,  December 31, 
  2011  2010 
  US$  US$ 
Advances to suppliers  4,348,847   1,071,101 
Prepayment for equipment purchase  2,300,415   3,444,636 
Other prepaid expenses  64,739   785,088 
   6,714,001   5,300,825