Suzhou Dowell Ventilation Technology Co.,Ltd have been focusing on the research and development, testing, production and sales of high-efficiency and energy-saving products. Under the market background of the world's energy revolution, the use of EC motors will solve the risk of burning the motor and the inverter when the motor is running at low speed, and solve the dilemma that the inverter cannot run the motor below 30Hz.EC motor supports external control logic input, which can realize intelligent control, remote control, running data output, etc.