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Inventories (Tables)
12 Months Ended
Sep. 30, 2012
SCHEDULE OF INVENTORIES [Table Text Block]
      2011     2012  
  Raw materials $   21,294,868   $   24,358,840  
  Work-in-progress   9,366,491     13,912,685  
  Finished goods   43,605,308     39,531,622  
               
      74,266,667     77,803,147  
  Provision for obsolete inventories   (7,125,699 )   (12,419,318 )
               
    $   67,140,968   $   65,383,829