Description of Subsidiaries (Detail)		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2014 Liaoning Nengfa Weiye Energy Technology Co. Ltd USD ($)	Jun. 30, 2014 Liaoning Nengfa Weiye Tei Fa Sales Co., Ltd. CNY
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Entity Incorporation State Country Name		The PRC, a limited liability company	The PRC, a limited liability company (under deregistration process)
Principal activities and place of operation		Production of a variety of industrial valve components which are widely used in water supply and sewage system, coal and gas fields, power generation stations, petroleum and chemical industries in the PRC	Sales and marketing of valves components and products in the PRC
Particulars of issued/registered share capital		$ 5,000,000	5,000,000
Effective interest held	99.00%	100.00%	99.00%