Common type of axial-flow fan used in factories, warehouses, offices, homes and other places within the ventilation, can also be used for air coolers (air cooling), evaporator, condenser, drop, spray, and so on, there are axial fan for mine, Corrosion protection, explosion-proof axial flow fan using corrosion-resistant materials and protection measures, and matches the explosion-proof motor, can be used to transport explosive, flammable, corrosive gases,