... motor and so on. Our BLDC Fan include BLDC centrifugal fan, BLDC axial fan, BLDC cooling fan, BLDC solar fan and so on. Our EC fans ... include EC centrifugal fan, EC axial fan, EC cooling fan, EC duct fan ... on. Our EC control system include EC motor controller, EC fan controller, power supply, EC FFU/FCU/HRV/HRV controller, ...