The company, formerly known as Suzhou Iron Works, established in 1952 (later changed to Suzhou Valve Factory), is a technology-based manufacturing enterprise integrating R&D, design, manufacture and sales of industrial valves. The company was listed on the Shenzhen Stock Exchange in 1997, becoming the first listed company in the Chinese valve industry and China Nuclear Industry Group Co., Ltd., and has a specialized industrial valve production base with many varieties, complete specifications and high technical content in the domestic valve industry. It is an enterprise with complete certification certificates and advanced quality management and inspection methods in the domestic valve industry. The company currently has 8 holding subsidiaries and participating companies, covering fields such as valve manufacturing, testing, nuclear technology applications, and finance. The company's main business is R&D, production, sales and service of industrial valves. The company's main product categories include gate valves, globe valves, check valves, ball valves, butterfly valves, control valves, etc. Corporate honors: First prize of the China Machinery Industry Science and Technology Award, Huisheng Excellent Supplier, Advanced Unit for Science and Technology Work in Suzhou High-tech Zone, Excellent Supplier of Dalian Petrochemical, etc.