... ,40L,50L 4.Pressure:150bar/200bar 6M3 Oxygen Gas Cylinder We specialize in LPG cylinder,Industrial gas cylinder, Acetylene Cylinder, Dewar Tank,air ... tanker, vaporizer,LPG and LNG tank,LPG and LNG Filling Station, Cylinder,Compressor, VPSA oxygen generator and cryogenic liquid pump,etc. Please refer ... /300BarStandardGB5099/ ISO9809/ EN1964/ DOT3AA/ JISB8241/ TC-3AAM/ IS7285 6M3 Oxygen Gas Cylinder