... Group,certificate:CE,ISO9001:2008 2000M3 Oxygen Spherical Tank GroupSpecification:Material of Spherical ... Ethylene, Propylene, Oxygen, Nitrogen, Ammonia, Vinyl Chloride, natural gas, argon, Hydrogen, Liquefied Gas, LPG, LNG, Coal Gas, Water Gas, Compressed Air ... , Vacuum, Liquid Ammonia, Liquid Nitrogen, Refined ...