Shanghai Tangcheng Petrochemical Technology Co.Ltd

Shanghai TangCheng Petrochemical Technology Co. Ltd is a comprehensive company engaged in the design, research, production and marketing of valves. The business focuses on manufacturing various valves, including ball valves, gate valves, check valves, globe valves and butterfly valves, which are widely used across the petroleum, chemical, metallurgy, energy and related industries. The company references a facility located in Oubei Wenzhou, China, described as a production site with substantial land and construction space, and equipped with a professional ball machining workshop capable of producing precision balls such as top entry, metal seat and V-type balls. The product range and application areas include oil & gas, chemical industry, power generation, water treatment, mining, shipbuilding and general industry systems. The company notes compliance with multiple standards and certifications, including ISO 9001, CE, API 6D, API 607 and DNV, among others, and lists CNC equipment, lathes, testing and welding equipment as part of its manufacturing capabilities.