Accrued expenses and other payable and Obligations arising from loan guarantees (Narrative) (Details)	3 Months Ended
	Dec. 31, 2012 USD ($)	Dec. 31, 2012 CNY
Accrued Expenses And Other Payables 2	$ 1,224,000
Accrued Expenses And Other Payables 3	2,181,000
Accrued Expenses And Other Payables 4		16,000,000
Accrued Expenses And Other Payables 5	2,567,683
Accrued Expenses And Other Payables 6		30,000,000
Accrued Expenses And Other Payables 7	4,814,404
Accrued Expenses And Other Payables 8		46,000,000
Accrued Expenses And Other Payables 9	$ 7,360,706