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Trade Accounts Receivable, net
12 Months Ended
Sep. 30, 2013
Trade Accounts Receivable, net [Text Block]
4.

Trade Accounts Receivable, net

   
 

Trade accounts receivable as of September 30, 2012 and 2013 consisted of the following:


                                                  2012     2013  
  Trade accounts receivable, gross $ 107,781,638   $ 61,706,474  
  Less: Allowance for doubtful accounts   (33,244,428 )   (17,734,802 )
      74,537,210     43,971,672  
  Bills receivable   2,912,381     5,904,029  
    $ 77,449,591   $ 49,875,701  

An analysis of the allowance for doubtful accounts is as follows:

 

                                                                         

  2012     2013  
 

 

           
 

Balance at beginning of year

$ 26,494,550   $ 33,244,428  
 

Gross provision for the year

  22,039,757     13,765,111  
 

Reversal for the year:-

           
 

   Recoveries by cash

  -     (3,759,181)  
 

   Recoveries by return of products from customers

  -     (19,597,776)  
 

Charged (credited) to consolidated statements of operations

  22,039,757     (9,591,846)  
 

Write off

  (15,757,133 )   (6,629,813)  
 

Foreign exchange adjustment

  467,254     712,033  
 

Balance at end of year

$ 33,244,428   $ 17,734,802