Frame: Casting AI alloy,plastic or iron fan blade,Sleeve bearing,ball bearing, black paint,anti-corrosion, anti-oxidization Frame: Casting AI alloy,plastic or iron fan blade,Sleeve bearing,ball bearing, black paint,anti-corrosion, anti-oxidizationOur main product including Axial Fan Motor, Condenser Fan Motor, Shaded Pole Motor, Cross Flow Fans, AC fan, DC fan and Centrifugal Blowers. Our ...