It has the characteristics of strong cutting force, high efficiency, stable quality, smooth polishing of the surface and long life. What’s more, no matter how convex and concave or high and low of the surface, it could polish very smoothly and even out all the bumps and hollows. It is suitable for the material of stainless steel, magnesium alloy, plastic etc., and it works best in the mobile phone, digital camera shell mirror polishing up.