high purity gas cylinder

. Materials: 6061 Aluminium alloy. . Critical test for every cylinder. . Safe,lightweight, resist corrosion, perfect treatment for surface interior and exterior to ensure the gas purity and stability. . Application:Filling compressed pure gas , gas mixtures and air. The purity gases includes: Argon,Chlorine,Ethane,Helium,Hydrogen,Neon,Nitrogen,Oxygen etc. It is the reliable equipment to provide precision gas delivery while keeping the gas integrity and purity. . Specification: GB, EN, DOT, ISO . Color, thread,valve and fittings upon request. . Proper packing or upon request. . Third party inspection available. . Form A, Form E available.