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Prepayments and Other Receivables
6 Months Ended
Mar. 31, 2012
Prepayments and Other Receivables [Text Block]
5 Prepayments and Other Receivables

Prepayments and other receivables as of September 30, 2011 and March 31, 2012 consisted of the following:

    September 30,     March 31,  
    2011     2012  
Prepayments for raw materials and others $ 1,271,520   $ 1,954,398  
Other receivables   4,665,485     10,979,528  
Less: Allowance for doubtful accounts   (694,587 )   (1,263,962 )
             
  $ 5,242,418   $ 11,669,964