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ONERO Valve is a professional manufacturer of ball valves in Wenzhou earlier. Since its inception in 1986, the company has been dedicated to the professional research, development and production of ball valves. At the same time, it continuously draws on domestic and foreign advanced technology and the internals of ball valves. A number of improvements have been made to the structure and appearance, and a series of unique new products have been developed based on years of production practices.