Automobile cover (panel for short) refers to the automobile parts that constitute the automobile body or cab and cover the surface and interior of the engine and chassis. Automobile panel is not only a decorative part, but also a closed thin shell-shaped stress part.

Any tiny defects on the surface of the cover will cause diffuse reflection of light after painting and damage the appearance, so there are no defects such as ripples, wrinkles and edge scratches that damage the aesthetic feeling of the surface. A-class surface accuracy automobile panels produced by developed countries such as Europe, America and Japan. They are engine cover plate, roof, left and right side walls, front and rear doors, front and rear fenders, trunk cover plate, engine front support plate, engine front apron, front cover plate, rear cover plate, front apron, front frame, front fender and wheels.

The manufacture of panel is the key link of automobile body manufacturing.