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Zhejiang Hoastar Valve Co., Ltd , We are professional in kinds of fully welded ball valves. The main use includes city coal gas, natural gas transmission, pipeline, district concentration heating, water supply and petrochemical, refrigeration system, electric station,food industry, paper making ETC. Nominal diameter: DN15-DN400 Nominal pressure: PN1.6Mpa-10Mpa(ANSI class 150-600)
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