The KEY SUNG METAL CO., LTD. is a leading global manufacturer of a variety of Marine and Plant valves, including cast steel, stainless, bronze and forged steel valves for JIS, DIN, API/ASME standard.Since the company establishment in 1985, we have earned a world-wide reputation for excellence as the principal supplier of marine and plant valves to world wide major companies and as a reliable exporter to overseas buyers in U.S.A, Europe, Japan and south & middle east asia and a contributor of the development of the world's marine transportation and on & offshore plants industries.Based on our long years of experiences, cutting-edge and proven technologies, highly trained human resources, KEY SUNG METAL CO., LTD. will continue to operate as the global leader in the marin & plant valve industry including cryogenic valves, API/ASME valve for on & offshore plant, valves for submarine and nuclear power plant, by providing the high quality products and technical services for customers satisfaction.