Aluminum alloy is a common fire extinguisher material, it is made of aluminum alloy, has the advantages of lightweight, corrosion resistance, high temperature resistance, high strength. Aluminum alloy has good surface treatment performance, can be sprayed and oxidized in various colors, so that the portable carbon dioxide fire extinguisher has beautiful and durable characteristics. Carbon dioxide fire extinguisher is a common type of fire extinguisher, suitable for the fire extinguishing material is liquid, gas or electrical equipment and other occasions. The fire extinguishing principle of carbon dioxide extinguisher is to spray high pressure carbon dioxide gas, reduce the concentration of oxygen in the air, make the flame lose combustion conditions, so as to achieve the effect of fire extinguishing. Portable carbon dioxide fire extinguisher aluminum alloy has the advantages of high flexibility, easy operation, good fire extinguishing effect, and is widely used in industrial, commer…