In auto's brake system, brake rotors are the most critical safety parts. The brake rotors decide if the brakes work good or bad. So that is a good brake rotor is like an Athena to protect autos and people from disasters. The rotors generally compose from steel, insulation and adhesive friction block. The steel board needs to go through the antirust coating. In coating process, we use the tracker of furnace temperature to detect the temperature distribution to ensure the quality. The heat insulation layers are made from the athermancy mistrials to achieve the heatproof. Friction block is made from the friction materials and adhesive compositions. As the friction, the friction block will gradually be worn. In general, the lower the cost of the brake rotors, they wear faster. It is necessary to replace the used friction material of the brake rotors in time otherwise the plate will be in direct contact with the brake disc. Eventually the auto will lose braking effect and damage the brakes. The website of sprinter brake rotors is dedicated to provide the high-qualified brake rotors. They are Disc brake rotor, Drum brake rotor and K-point brake rotor. The materials we take are Semi-metal, less metal, asbestos, and ceramic.