Auto chassis armored's scientific name is auto chassis anti-collision  rust sound-proofing coating(UNDERCOATING), a high-tech rubber asphalt coating adhesion. It has a non-toxic, high cover, high adhesion, can be sprayed on the vehicle chassis, wheels, fuel tank, car under the hoardings, luggage and other exposed parts, fast drying to form a layer of solid elastic protective layer to prevent flying rocks and the impact of gravel to prevent moisture, acid rain, salt corrosion on the metal chassis, the chassis to prevent rust and corrosion, protecting the owner's driving safety, while elastic protective layer to reduce road and tire while driving, the noise and improve the comfort of the owner of the acceleration.