Industrial Gas Cylinder, Beverage CO2 Cylinder, CO2 Fire Extinguisher manufacturer / supplier in China, offering 4.6L Ios7866 DOT-3al Aluminum Bottles of Various Colors Can Be Used to Fill Various Gases Such as Carbon Dioxide, Oxygen and Industrial Gases, Factory Direct Sales of Multi-Specification Colored Spray-Shoulder Aluminum Gas Cylinders, Capable of Filling Oxygen and Carbon Dioxide, Steamless Aluminum CO2/Oxygen/Gas Polishing Cylinder ISO7866 and so on.