... design, develop and supply motor controller driver and control system for customers and ourselves. They are available in 24V ... No noise, hall-free, power,etc.Applications: External rotor motor, centrifugal fan, centrifugal blower, axial fan in HVAC,Tele-communication, refrigeration ... to customer demands, such as Supply voltage range, No noise, hall-free, power,etc. power,etc.Applications of Brushless ...