Hanging dry powder fire extinguisher is of the characteristics of high fire-extinguishing ability, excellent non-conductive performance, low price and so on. It is applicable to put out at the beginning of solid materials, flammable liquids, combustible gas and electrical equipment of fires. Simple structure, non-pipeline, non-circuit, usually suspended above the protected object. The fire extinguisher can automatically turn on sprinkler to spray fire extinguishing agent when the sprinkler reaches a predetermined temperature. Be widely used in factories in the mining industry’s drying rooms, substations, transformer rooms, warehouses, laboratories, depots, paining workshop where often no men to guard, but easy to catch fire.