Glofa is an international supplier and professional manufacturer for a broad lines of industrial valves in the world, as a global engineering company and technology corporation, Glofa are dedicated itself to provide effective solution for services in Oil, Gas, Petroleum, Energy, Nuclear, Refinery, Chemical, Marine, Potable Water, Waste Water, Sewage,Cryogenic, Power Station and Pipeline Industry.Through over 4 decades development and innovation, Glofa has acquired API 6D and CE certification, besides Glofa also get quality management system of ISO 9001:2000 approved as well as ISO14001.With 25,0000 workshop area and 480 employees including 85 senior technologists and engineers, Glofa are equipped with 110 sets of machining centers, CNC machine tools, metal cutting&machining facilities, 35 sets of physical and chemical testers, nondestructive inspectors, spectrum analyzers as well as 16 hoisters and conveyors, Glofa could complete all testing and inspection procedures in own plant to meet with global customer and end user’s requirements for valves quality control.Glofa has been specialized in the designing and manufacturing of Ball Valve, Gate Valves, Globe Valves, Check Valves, Butterfly Valves, Knife Gate Valves, Through Conduit Gate Valves, Slab Gate Valves, Bellow Sealed Valves, Plug Valves, Control Valves, Pressure Safety Valves and Strainers since 1975. With around 46 years experience, extensive range of materials are produced and fabricated, steel materials including conventional cast carbon steel, forged carbon steel, stainless steel, and special alloy steel including Alloy 20, Monel, Inconel, Hastelloy, Duplex Steel, Super Duplex Steel, Alumium Bronze, Brass. cast iron materials cover Cast Grey Iron, GG25, ASTM A126 Gr.B, Ductile Iron cover GGG40, GGG50 or ASTM A536, etc. Designing and Manufacturing standards strictly according to API 600, API 6D, API 602, API 609, API 594, ASTM, ANSI ASME, ASTM, AWWA, BS1873, BS1868, BS1414, BS5351, DIN3352, DIN3356, JIS ,