Fengda, 15 yeas fan manufacturer, Axial fan with external rotor motor, water mist fan, cooling fan, industrial fan, fan motor.. 1. Axial fan with external rotor motor size from ... surve and forward surve, also different size of radial fan.3. AC cooling fan from 80*80*25 to 220*220*60mm, 24VAC ... ,36VAC, 100-120VAC or 220-240VAC, 50/60Hz4. DC cooling fan from 25*25*10 to 220*220*60mm, 5VDC, 12VDC ...