Huajiang independently develops vehicle body structure design with domestic technology and has obtained multiple patent certificates; The LED car mounted screen can be lifted and lowered freely through the hydraulic system, and the height can be locked freely; 360 degree screen rotation at any point locking; The solar panel can be flipped and electrically operated with 360 degree adjustment to track sunlight; The four corners of the vehicle body are equipped with lifting support jacks, which are safe, stable, and wind proof, with a 7-level design. The towing speed is 80KM/H for towing and towing; The axle is made of seamless steel M5, with a load-bearing capacity of up to 2000KG; Adopting an electric onboard brake and taillight system assembly; Telescopic bending traction rod; The solar power supply system has the function of alternating power supply with direct current.