Road maintenance vehicles, produced by Chengli GroupHighway maintenance vehicleThe product line includesSynchronous gravel sealing vehicleasphalt spreaders, powder spreading vehicles,Cement paste spreading vehicleRoad heat regeneration maintenance vehicles, road maintenance vehicles, road repair equipment, and so on; Chengli Group develops road maintenance vehicles of various specifications to meet different needs in road maintenance, and these vehicles are widely used in the construction of roads in urban areas, rural areas, airports, ports, and reservoirs. The best-selling models include the Dolika series, Tianjin series, Jiefang single-axle vehicles, Jiefang double-axle vehicles, Shaanxi DeLong vehicles with four axles at the front and eight at the back, Howo vehicles with double axles at the back, and Howo vehicles with four axles at the front and eight at the back, among others.