Founded in 1990 and located in Wenzhou, Zhejiang, GAOGONG VALVE has specialized in lined fluoroplastic valves and fittings for over 30 years. Its core technology involves precision lining of fluoroplastics onto cast iron, carbon steel, and stainless steel valve bodies, providing an alternative to scarce exotic alloys while significantly enhancing corrosion resistance and extending service life by 5 to 10 times. Its main product lines include lined globe valves, ball valves, diaphragm valves, butterfly valves, plug valves, check valves, gate valves, and fittings, with actuation options covering manual, pneumatic, electric, and worm-gear drives. Products comply with GB, JB, ANSI, API, BS, DIN, and other standards, and are applied in petroleum, chemical, pharmaceutical, steel, smelting, and other highly corrosive environments.