... manufacturer E. 430 employees,15000 square meter factory Brushless Suction Motor(40x40x10,40x40x15,40x40x20,50x50x10,60x60x15,60x60x20,60x60x25,80x80x25, ... 92x92x25):DC Brushless Fan(DC Fan,DC Axial Fan,DC ... .+30% F.R.PBearing system: B----ball bearing or S----sleeve bearing Operating temperature:-10 to+70Storage temperature ...