▎ 摘　　要

NOVELTY - The door plate has door structure (1) whose top end of the inner side is equipped with a reserved sound hole (2). The top and bottom ends of the outer side of the door structure are both installed with a rotating block (3). A connecting rod (303) is installed in the middle of the rotating block. A rotating ring (301) is provided at an intermediate position outside the rotating block. The top end of the side wall of the door structure main structure is provided with a graphene layer. The bottom end of the graphene layer is uniformly provided with a polymethyl methacrylate layer. The bottom end of the polymethyl methacrylate layer is uniformly provided with a polyvinyl chloride adsorption layer. The bottom end of the polyvinyl chloride adsorption layer is uniformly provided with a sheet molding compound (SMC) composite material layer. USE - Automobile door plate. ADVANTAGE - The automobile door plate is environment-friendly, and saves the cost. The emission of peculiar smell is reduced, the health of the device is enhanced. DESCRIPTION OF DRAWING(S) - The drawing shows a front view of an automobile door plate. Door structure (1) Reserved sound hole (2) Rotating block (3) Rotating ring (301) Connecting rod (303)