... 6) Motor of operation: Continuous(S1), Maintenance-free ball bearings. 7)All motors have CE approval and CCC safety certificate. Energy ... Our BLDC motors include external rotor BLDC motor, inner rotor BLDC motor, BLDC fan motor, BLDC pump motor and so on. Our EC Motors ... include external rotor EC motor, inner rotor EC motor, EC fan motor, EC condensing motors, EC FFU motor, EC FCU motor and so on. ...