Commitments and Contingencies (Tables)

6 Months Ended

Mar. 31, 2013

SCHEDULE OF CAPITAL COMMITMENTS [Table Text Block]

		September 30,		March 31,
		2012		2013
For construction of buildings	$	10,820,593	$	317,186
For purchases of equipment		3,630,112		2,379,826
	$	14,450,705	$	2,697,012

SCHEDULE OFGUARANTEES [Table Text Block]

		September		March 31,	Guarantee
		30,
Guarantee for		2012		2013	Period
Shenzhen Tongli Hi-tech Co. Ltd. - a non-related party	$	2,386,369	$	-	4/1/2012-3/31/2013
Tianjin Huaxiahongyuan Ltd. - a non-related party		2,386,369		2,416,393	4/25/2012-4/25/2015
Shenzhen Yasu Technology Co. Ltd. - a non-related party		9,545,476		9,665,571	5/25/2012-6/25/2015
Shenzhen Langjin - a non-related party (Note5(b))		9,545,476		9,665,571	8/15/2011-8/14/2014
Tianjin BAK New Energy Research Institute Co., Ltd.- a related party		11,247,753		6,443,714	7/2/2012-10/15/2013
	$	35,111,443	$	28,191,249

SCHEDULE OF DISCOUNTED BANK ACCEPTANCE BILLS [Table Text Block]

		September 30,		March 31,
		2012		2013
Bank acceptance bills	$	21,962,849	$	41,002,935