The trailer is suitable for plain areas, mountains, swamps and hills, farmland and road transportation. Different types of tractors are matched with different types of trailers in different areas. On the basis of the basic model, we have developed a hydraulic dump truck, which improves the efficiency. The trailers produced by our company are all made of steel, with beautiful appearance, elegant appearance, reasonable and compact structure, durability, adjustable height and reliable mechanical advantages. They are good helpers for friends in mountainous areas.