The application of frequency converters in car washers is becoming more and more common. By adjusting the speed of the motor, it can achieve efficient operation of the car washer and save energy and reduce emissions.

Conveyors are material handling machines that continuously transport materials along a certain route, also known as continuous conveyors. Conveyors can be horizontal or inclined conveyors, or they can form spatial conveyor routes, and the conveyor routes are generally fixed.