Manufacturing standard : GB4351. 1 - 2005 “Portable fire extinguishers - Part 1 :Performance and construction”.

Testing standard : GB/t 4351. 3-2005 “Portable fire extinguishers - Part 3 :Regulations”.

Inspection frequency : 1. Storage for 5 years, 2. Pressure Gauge in red zone, or storage for 3 years . Any situation , the fire extinguisher must be inspected by qualified producer and refilled (2. 1MPa hydraulic teat before refilling).

Portable dry powder fire extinguisher has the advantages of simple structure, easy to operate,convenient to use , high-extinguishing ability and able to constantly or intermittently spray. It is applicable to put out at the beginning of flammable liquids,solid materials, combustible gas and electrical equipment of fires. Be widely used in factories,offices,schools,hotels and various vehicles.