The bat logo is a personalized car logo usually set by the car owner himself. According to Chinese national regulations, these signs should be checked during new vehicle registration and annual inspection. The car should have its own logo indicating the manufacturer, model, engine power, bearing quality, engine and vehicle factory numbers, etc. Their role is to facilitate sellers, users, maintenance personnel and traffic management departments to identify the "identity" of the vehicle. According to Chinese national regulations, these signs should be checked during new vehicle registration and annual inspection. The Bat logo is a personalized logo rather than a brand logo of a certain car that is purchased and affixed by the car owner. The logo is a bat. This is a sign of self-change. "Car logo" is the abbreviation of automobile logo, which refers to the logos of various automobile brands, and these logos often become representatives of automobile companies. Car marks include: car trademark or factory mark, product label, engine model and factory number, vehicle model and factory number, vehicle identification code, etc.