KOSEN Valve Co., Ltd. (https://www.kosenvalve.com/) is a dedicated valve manufacturer specializing in the design, development, testing, production, sales, and servicing of industrial valves. Based in Oubei, Zhejiang—recognized as a leading valve manufacturing hub in China—our company spans 6,000 square meters and is equipped with advanced machining and production equipment sourced globally. We offer a comprehensive portfolio of industrial valves, including ball, gate, globe, check, plug, and butterfly valves, as well as pipe strainers. These products are available in a wide range of materials, such as carbon steel, stainless steel, Cr-Mo steel, cryogenic steel, Hastelloy C, Monel, duplex steel, and high-nickel alloys, to meet diverse application needs.