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Short-term Loans (Tables)
6 Months Ended
Mar. 31, 2014
SCHEDULE OF FACILITIES SECURED BY THE COMPANY'S ASSETS [Table Text Block]
    September 30, 2013     March 31, 2014  
Inventories $ 24,505,399   $ 16,086,740  
Accounts receivable, net   31,392,774     -  
Machinery and equipment, net   12,211,038     3,120,875  
Land use rights, buildings and construction in progress of BAK Industrial Park   87,763,440     85,198,358  
Land use rights and buildings of Research and Development Test Centre   43,143,525     -  
Land use rights #1 and buildings of Tianjin Industrial Park Zone   17,857,940     -  
  $ 216,874,116   $ 104,405,973