Function description: The end cleaning device includes 2 sets of end-supporting pipe, 2 sets of end-cutting trolleys and other pneumatic, hydraulic, electrical control system, smooth surface solid tires supporter. The motor drives the end-supporting cars to  fine-tune that can assures the rotating of the pipe steadily, High-speed rotating steel brush driven  by the end-cutting cars brushes off the pipe-end anti-corrosion coating layer, High efficiency dust removal system sucks away the plastic dust that is cut down by the steel brush so that can assures the working environment clean.