When motors are manufactured, another device must come along with motors. That is motor controller. BLDC controller is the controller that is connected with a BLDC motor. The motor is not able to control itself it only operates. Therefore, BLDC controller is necessary to control BLDC motor. We do not only manufacture motors but we also manufacture BLDC controller motor and controller must work together. We have more information about BLDC controller at our website. Check our website for more information, or contact us if you are interested in our BLDC controller.