STV valve is an ISO 9001 certified company who was founded by a team of people with more than 30 years of experience in the supply of industrial valve. During these years stv valve has been adapting the media to new technologies. All this has allowed us to provide the finest quality products and services to match the need of our clients. We consider product quality and customer satisfaction as our highest priority. STV valve looks forward to a new client relationship by providing top quality va.....

HQ Pipeline co., ltd, is a professional manufacturer & exporter of all kinds of pipe fittings and valves in China: Forged Steel Pipe Fittings, Flanges, Butt Weld Pipe Fittings, Nipples and Coupling, UL/FM Ductile Iron Grooved Fittings and Grooved Couplings, Pipe Grooving Machine, Pipe Cutting Machine, Hole Cutting Machine, Gate Valve, Butterfly Valve, Check Valve, Strainers, Ball Valve...and OEM/ODM service, which are widely used in the field of petroleum, natural gas, ship building, metallurgy,.....

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