2026-Wenzhou Shangju Valve Technology Co., Ltd.

Wenzhou Shangju Valve Technology Co., Ltd. specializes in the production of wafer check valves, wafer butterfly valves, ball valves and sanitary pipe fittings. Located in Shacheng Street, Longwan District, Wenzhou — known as China’s Valve City, our company introduces complete sets of overseas equipment and production technologies. We are a professional manufacturer integrating product development, production and sales. Endowed with solid strength, sophisticated equipment, mature craftsmanship and complete testing facilities, we employ a team of high-caliber technical and management personnel with abundant resource and technical advantages. Main Products Butterfly Valve Series Wafer butterfly valves, sanitary wafer butterfly valves, clamp butterfly valves, welded butterfly valves, 3-piece welded butterfly valves, flanged butterfly valves, threaded butterfly valves (ISO, SMS, DIN standards), integrated butterfly check valves Ball Valve Series Clamp ball valves, 1-piece ball valves, 2-piece ball valves, 3-piece ball valves Check Valve Series Wafer check valves, clamp check valves, welded check valves, threaded check valves, 3-piece ball check valves (custom available), flanged vertical check valves Pipe Fittings Union joints, clamps, elbows, tees, reducers, stainless steel tubes, hose connectors; non-standard sizes available for customization Sight Glass Series Clamp sight glasses, welded sight glasses, flanged sight glasses, flanged pipeline sight glasses, union sight glasses, sight glasses with light; customized non-standard sight glasses Other Products Sanitary milk pumps, sanitary manholes Application Fields Model H71W/H check valves are widely used in petrochemical industry, iron & steel metallurgy, power engineering, water supply & drainage and construction projects. Our full-range products serve machinery equipment, storage tanks, food, beverage, beer, pharmacy, cosmetics, oil, chemical industry and high-rise buildings, and have won wide recognition among customers. Custom machining is available according to customer drawings. As direct manufacturer, we guarantee stable quality. With years of industrial experience, we deliver premium products and practical solutions for clients. New and existing customers are warmly welcome for business negotiations. Adhering to the development philosophy: “No permanent advantages, only continuous innovation”, Shangju follows the business tenet of “Integrity Oriented, Customer First”. We keep adopting new technologies, new processes and new materials to develop new items, supplying high-quality valves and comprehensive services for all users. We strive to gain your trust and support through sincere communication and professional service, looking forward to mutual benefit and win-win results.