The dumping trailer is suitable for the transport of coal, ore, building materials and other loose goods. Dumping trailer can be divided into two categories according to their uses: the first category is the heavy and super heavy dump trailers for non-highway transport, which mainly undertake the transport tasks of large mines and projects, and are usually used together with excavators. The other category belongs to the light and medium-sized general dumping trailers for road transport, which mainly undertake the transport of loose goods such as sand, soil and coal, and are usually used together with loaders.