News & Events

World's first prototype osmotic plant (25 November 2009)


India: air separation plant (18 November 2009)


Pakistan: oil refinery deal (19 November 2009)


Saudi Arabia: Al-Qurrayah Plant conversion contract (20 November 2009)


Products

Gate Valve Series

Profle

China zhejiang Number One Valve co.,Ltd(ONEV) is located in Oubei town Wenzhou City, called "town of China Valve & Pump" It is a professional manufacturer integrating valve development, design, production, sales and service. The company has two production ...
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Gate Valve Series
Globe Valve Series
Check Valve Series
Ball Valve Series

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