Summary of Significant Accounting Policies (Tables)

3 Months Ended

Mar. 31, 2013

Summary Of Significant Accounting Policies [Abstract]

Summary of 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

Summary of exchange rates used (RMB to USD)

Exchange rates used (RMB to USD)		2012		2013
Assets and liabilities	Balance sheet date (March 31)		0.1583		0.1594
	Balance sheet date (December 31)		0.1585		N/A
Revenue and expenses	Period average (Three months ended March 31)		0.1585		0.1592