Gas Cylinder, Gas Tank, Oxygen Cylinder manufacturer / supplier in China, offering ISO9809 0.95m3 150bar 37mn Gas Cylinders Oxygen Tank, ISO Tped 30L Seamless Steel Oxygen Gas Cylinder CO2 Helium Argon Nitrogen N2 No2 Air Gas Bottle, 6.3L High Pressure Seamless Industrial Gas Bottle/CO2/N2o/ Oxygen Steel Cylinder/Tank and so on.