... .manufacturer E. 430 employees,15000 square meter factory Brushless Suction Motor(40x40x10,40x40x15,40x40x20,50x50x10,60x60x15,60x60x20,60x60x25,80x80x25,92x92x25):DC ... lead wire.Material:Frame:UL94V-0 70% P.B.T.+30% F.R.PImpeller:UL94V-0 70% P.B.T ... .+30% F.R.PBearing system: B----ball bearing or S----sleeve ...