In the context of the continuous pursuit of efficiency improvement in the construction and logistics industries, Rear-Discharging Semi-Trailers, as the core equipment for transporting bulk materials such as sand, gravel, and minerals, have attracted increasing attention regarding their operation norms and performance optimization. The newly released 《Operating Guidelines for Efficient Rear-Dump Semi-Trailers》 systematically elaborates on the key operation points, maintenance techniques, and efficiency improvement strategies of the vehicles, aiming to help transportation enterprises reduce operating costs, shorten loading and unloading times, and extend the service life of the equipment. This guideline focuses on analyzing how to maximize transportation efficiency through standardized operation procedures, intelligent loading technologies, and preventive maintenance, providing practical solutions for the industry.