... Expressway, with veryconvenient transportation. At present, Our enterprise mainly produces Centrifugal fan and blower, external rotor axial fan,ventilation fan, Duct ... : 5W to 34W, which can be adjusted according to the stack length.(3)Insulation class: B, F, H, our usaual is ... poles3. Products Display4. Factory Production Display Dia72-180 axial and centrifugal fan motor