Gas, Gas Station, Tank manufacturer / supplier in China, offering ISO 9809-1 Od-203mm Dw-5.4 Pw-200bar 13.4L CO2 Gas Cylinder, 8L 6kg GB11640 Standard High Pressure CO2 Gas Cylinder (LWH180-10-15), Sefic Hot Sale Industrial Steel CO2 Gas Cylinder 40L 50L 68L 120L and so on.