And "stand-alone" compared to semi-trailer can improve the overall economic efficiency of road transport. Transport efficiency can be increased by 30–50 percent,cost reduction 30–40%, characteristically decreased fuel consumption. Most importantly, semi-trailers, can form up to a certain level on China's logistics role.
Semi-trailer is the main transport bulky, and difficult to split large goods, such as excavators, fence is suitable for fresh category of goods, such as vegetables, fruits, and so on. van is suitable for bulk and moisture-proof more valuable goods