Industrial Gas Cylinder, Beverage CO2 Cylinder, CO2 Fire Extinguisher manufacturer / supplier in China, offering Beverage CO2 Cylinder of 5lb, 10lb, 20lb Aluminum Cylinder with DOT-3al and ISO7866 Standard, Aluminum Fire Extinguisher Cylinders Can Be Filled with Various Gases Such as Carbon Dioxide in Multiple Sizes, Medical Emergency Oxygen Cylinders Come in Various Specifications and Have Multiple Uses and so on.