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Today, SUNGO is one of the Asia's leading manufacturers of industrial steel valves with five specialized manufacturing plants, including three in Wenzhou , two in Shanghai. We have 680 employees. We owe much of our success to quality and innovation, which have been the cornerstone of SUNGO since its inception in 1980, and to our philosophy of dynamic leadership. We concentrate on one business the design, manufacture and marketing of steel valves in a broad range of types and sizes, demanding advanced technology. has fulfilled all the qualifications to manufacture a wide range of industrial valves for the most severe and demanding services of the Oil, Gas, Refinery, Chemical, Marine, Power and Pipeline Industries.
SUNGO`s products including: Gate, globe and check valve, We also offer plug valve and a advanced line of highly competitive ball valves with metal and resilient seats, as well as a complete range of cryogenic valves, bellows seal valves and triple offset metal- seated butterfly valves. Size range from1/2"-120"(DN15-3000); Class rating from 150LB-2500LB; materials range from conventional cast or forged steel to special alloy material like Monel, Inconel,  Hastelloy or Duplex steel. SUNGO are able to produce valves for working temperature -196℃-650℃, all available to fully comply with ASTM, ANSI, API, BS, DIN and JIS standards.