Advertising vehicle, also known as advertising vehicle, refers to a specialized vehicle used for advertising. With continuous technological innovation, advertising vehicles are equipped with LED large screens (which can be divided into P4 display screen, P5 display screen, P6 display screen according to clarity), also known as LED advertising vehicles; LED advertising promotion is mainly dominated by rolling light box vehicles and LED advertising vehicles. The Chengli LED promotional vehicle consists of four main parts: a dedicated vehicle chassis, a large screen system, a power supply system, and an operating system. It is widely used for publicity, brand promotion, sports events, on-site displays, product promotion, concerts, concerts, and talent shows in enterprises and institutions; It can also be displayed, exchanged, and interacted with audiences or consumers on site in bustling commercial areas, squares, residential communities, square parks, and other areas; Advertising vehicles have a wide range of promotional scope and strong mobility, which can achieve significant advertising dissemination effects for the promoted products.