Shijiazhuang Sanhuan Valve Co., Ltd., formerly known as Shijiazhuang Valve Third Factory established in 1966, completed its shareholding reform in 1999 and relocated to its current site in 2014. After over 50 years of development, the company has grown into a comprehensive enterprise integrating R&D, manufacturing, sales, and services. Specializing in large-diameter valves, metallurgical complete sets of equipment, and coking energy-saving and environmental protection equipment, it is recognized as a high-tech enterprise in Hebei Province, a AAA-level harmonious enterprise in Hebei Province, a patent pilot unit in Hebei Province, a Hebei Province renowned brand product enterprise, and a Hebei Province quality-trusted product enterprise.