Frame: Casting AI alloy,plastic or iron fan blade,Sleeve bearing,ball bearing, black ... , anti-oxidization Frame: Casting AI alloy,plastic or iron fan blade,Sleeve bearing,ball bearing, black paint,anti ... Fan Motor, Shaded Pole Motor, Cross Flow Fans, AC fan, DC fan and Centrifugal Blowers. Our products are ... refrigeration equipments, air conditioner, cooling and ventilation instruments. AC FAN 15050-A