https://www.ningboxihe.com/products/drum-polish-machine/ DRUM POLISH MACHINE Drum Polish Machine are versatile tools that are used to polish a variety of materials, from pre-made steel products to sheet metal parts. These machines use a screw feeding mechanism, which ensures the even distribution of materials across the drum surface. The drum operates via pneumatic driving in all directions, resulting in uniform coverage of the material being polished.All Rights Reserved