Summary of Significant Accounting Policies (Tables)

6 Months Ended

Jun. 30, 2012

Accounting Policies [Abstract]

Property and equipment, estimated useful lives

Buildings	15-20 years
Plant and machinery	3-20 years
Motor vehicle	10 years
Office equipment	3-10 years

Exchange rates used (RMB to USD)

Exchange rates used (RMB to USD)		2011		2012
Assets and liabilities	Balance sheet date (6/30)		0.1547		0.1588
	Balance sheet date (12/31)		0.1571
Revenue and expenses	Period average (1/1to 3/31)		0.1518		0.1588
	Period average (1/1to 6/30)		0.1527		0.1584