Diamond dressing roller is a new type of tool for the truing and dressing of grinding wheels.Compared with traditional single diamond dressing point, dressing roller has much higher efficiency and can obtain more accurate and stable faces of grinding wheels.By using dressing roller,dressing process can be completed efficiently in one process needing only one machine instead of previous several processes needing several machines. The dressing of grinding wheels with diamond dressing rollers has been a common practice in the international machining industry. our company''s diamond dressing rollers are widely used in the machining processes of such industries as automobile, bearing, gears, aerospace, tooling, light machines. In our domestic market, our products have been replacing foreign products and saved many foreign exchanges for the nation.