Chang Yih professionally produces DC motor controllers, and we offer two types of electric motor controllers, one is single phase 4 Quadrant controllers, another is 3 phase 4 Quadrant controller. Electric motor controllers can be used for controlling the speed of motors, AC magnet controls, or industrial & domestic heating. We are confident in producing high-quality products, if you are interested in our motor controllers or other products, feel free to contact us.
