Description of Subsidiaries (Detail) (USD $)	12 Months Ended
Dec. 31, 2014
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Effective intrest held	99.00%
Liaoning Nengfa Weiye Energy Technology Co Ltd
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Entity Incorporation State Country Name	The PRC, a limited liability company
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
Particulars of issued/registered share capital	5,000,000
Effective intrest held	100.00%

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- Definition

Value of shares issued as consideration for cash for development stage entities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 915

-SubTopic 215

-Section 45

-Paragraph 1

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6472370&loc=d3e38297-110927

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- Definition

Description of business purpose of the subsidiary of the limited liability company or limited partnership, for example, its day-to-day operating functions and whether it acts as a holding or operating company.

+ References

No definition available.

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- Definition

Percentage of the Variable Interest Entity's (VIE) voting interest owned by (or beneficial interest in) the reporting entity (directly or indirectly).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 810

-SubTopic 10

-Section 50

-Paragraph 5A

-Subparagraph (d)

-URI http://asc.fasb.org/extlink&oid=28200181&loc=SL6759159-111685

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