Consolidated statements of cash flows (USD $)	12 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
Cash flow from operating activities
Net loss	$ (65,807,395)	$ (24,537,364)
Adjustments to reconcile net loss to net cash provided by / (used in) operating activities:
Depreciation and amortization	18,519,317	18,628,181
Provision for doubtful debts	22,505,322	1,910,521
(Recovery of) / provision for obsolete inventories	5,139,589	(1,807,330)
Share-based compensation	804,085	1,584,154
Impairment charge	3,918,959	6,517,344
Gain on disposal of property, plant and equipment	(16,106)	(471,444)
Deferred income taxes	2,116,630	1,302,120
Deferred revenue	(252,469)	(244,181)
Exchange loss	3,206,705	1,353,907
Changes in operating assets and liabilities:
Trade accounts receivable	(9,816,650)	(157,072)
Inventories	(2,390,817)	2,088,744
Prepayments and other receivables	(2,962,638)	472,866
Accounts and bills payable	22,048,375	20,032,670
Accrued expenses and other payables	8,155,480	8,645,183
Net cash provided by operating activities	5,168,387	35,318,299
Cash flow from investing activities
Purchases of property, plant and equipment	(20,004,402)	(31,520,735)
Proceeds from disposal of property, plant and equipment	20,682	656,483
Purchases of intangible assets	(466,541)	(181,307)
Net cash used in investing activities	(20,450,261)	(31,045,559)
Cash flow from financing activities
Proceeds from borrowings	194,729,666	165,711,672
Repayment of borrowings	(195,487,678)	(172,641,752)
Decrease in pledged deposits	302,552	4,129,734
Net cash used in financing activities	(455,460)	(2,800,346)
Effect of exchange rate changes on cash and cash equivalents	150,728	797,210
Net increase / (decrease) in cash and cash equivalents	(15,586,606)	2,269,604
Cash and cash equivalents at the beginning of year	24,858,239	22,588,635
Cash and cash equivalents at the end of year	9,271,633	24,858,239
Cash received during the year for:
Bills receivable discounted to banks	33,656,050	20,308,970
Cash paid during the year for:
Income taxes	279,414	131,565
Interest, net of amounts capitalized	$ 11,087,500	$ 9,925,884