... enterprise, research& technology center... UL approval axial flow fan motor for air cooler/water chiller Verified Information ... Shaded Pole Motor, Axial Fan with External Rotor Motor, Unit Bearing Motor, Centrifugal Fan, ECM Energy Saving Motor, Duct Fan 4,200, ... 2017/05/23 CCC CQC 2012010401544196 Single Phase Axial Fan with External Rotor Motor & YWF2E200, YWF4E250, YWF2E250, YWF2E300, YWF4E2300, ...