Industrial gas cylinder valve can be used for all kinds of industrial gas cylinders, including oxygen, nitrogen, argon, helium, carbon dioxide, acetylene, chlorine and other gas cylinders. CNG vehicles use natural gas instead of automobile oil, which has the advantages of low price, less pollution and safety. Natural gas is a high-quality and efficient clean energy source, with carbon dioxide and nitrogen oxide emissions only half and one-fifth of coal, and sulfur dioxide emissions almost zero. Our factory specializes in manufacturing CNG valves and cryogenic LNG valves for vehicles, dewars, storage tanks, vehicle mounted bottles, filling stations, etc.