... also be used in polishing of ornament polishing. Diamond Grinding Head are superior products of Jiangyin Jiu Feng Diamond Tools Co ... processing,Surface is smooth and delicate.UsesMainly used for grinding,polishing,caving some hard but brittle materials such as ... diamond saw blade, diamond file, diamond munted point, diamond grinding head, diamond whetstone.ANY INTEREST PLS FEEL FREE TO COTACT ME ...