Wenzhou Shangju Valve Technology Co., Ltd. (formerly known as Wenzhou Longwan Shacheng Shangju Valve Factory, Wenzhou Shangju Valve and Fittings Factory). The company is located in Longwan District, Wenzhou City, Zhejiang Province—renowned as the "Capital of Machinery, Hometown of Pumps and Valves, and Industrial Base." It specializes in the production of valve and fitting series, with products widely used in construction, beverages, beer, dairy, food, pharmaceuticals, cosmetics, water treatment, petroleum, chemical, and machinery manufacturing industries. The company has many years of manufacturing experience. Adhering to the philosophy of "Quality as the Core, Service for Development," it is a medium-sized enterprise integrating production, sales, and service.

Valve Series: Wafer butterfly valves, wafer check valves, sanitary butterfly valves, ball valves, diaphragm valves, check valves, etc.
　　 Fitting Series: Elbows, tees, crosses, reducers, reducing pipes, joints, filters, etc.
　　 Other Accessories: Clamps, brackets, cleaning balls, floor drains, sampling valves, respirators, etc.

Sight Glass Series: Straight-through sight glasses, sight glasses, equipment sight glasses, quick-connect sight glasses, etc.

Compliant with ISO, SMS, DIN, IDF, 3A

Products are widely used in: Natural gas, petroleum products, chemicals, metal smelting, papermaking, power generation, mining, biopharmaceuticals, daily chemicals, construction, beverages, beer, dairy, food, pharmaceuticals, cosmetics, water treatment, petroleum, chemical, and machinery manufacturing industries.