Key structural materials: The box and filling device are made of national standard Q355 manganese steel material, which is mainly used to withstand harsh working conditions such as impact, compression, and material wear. The garbage bin adopts a sturdy frame structure welded with reinforced beams and steel plates, with curved surfaces on the side and top, beautiful appearance, light weight, good stress resistance, and no deformation; The bulldozer is composed of a steel pipe skeleton and a folding panel, which not only has a lightweight structure, but also can evenly distribute garbage and discharge it cleanly and thoroughly; The filling device is mainly composed of filling device shell, sliding plate, scraper and other components. Each component adopts a well stressed beam or box structure, which is sturdy and lightweight. It has the characteristics of high strength, corrosion resistance, and impact resistance, ensuring the stability and durability of the upper structure.