... Tank Group,certificate:CE,ISO9001:2008 2000M3 Oxygen Spherical Tank GroupSpecification:Material of Spherical shell plates16MnR, 16MnDR, 15MnNbR ... Ethylene, Propylene, Oxygen, Nitrogen, Ammonia, Vinyl Chloride, natural gas, argon, Hydrogen, Liquefied Gas, LPG, LNG, Coal Gas, Water Gas, Compressed Air ... , etc.Cubage DimensionFrom 50m³ to 10000m³ 50m³--- 10000m³ 2000M3 Oxygen Spherical Tank Group