SUZHENG was founded in 2011 and is located in Wenzhou, Zhejiang. The company focuses on the R&D and production of control valves, with its main products including pneumatic/electric control valves, self-operated control valves, and pneumatic/electric shut-off valves. It is equipped with CNC machining centers and CNC lathes, complying with ISO9001, ISO5211, and NAMUR standards. The company holds a TS license and certifications including CE, explosion-proof, and SIL3. Its products are widely used in petroleum and petrochemicals, chemicals, environmental water treatment, desulfurization and denitrification, food processing, power plants, steel, and other industries. The main products include pneumatic control valves, electric control valves, shut-off ball/butterfly valves, pneumatic gate valves, globe valves, and knife gate valves.