Barn semi-trailers are popular among logistics companies for their versatile use. It is used to load various products and materials such as sand, bags, poultry, etc. There are also some bulk goods, which are very widely used in the transportation industry. The semi-trailers developed and produced by JunChi Heavy Industries are made of high-quality materials, and important accessories and configurations are made of domestic and foreign brands. The main beam is made of Q345 high-strength steel, which has stability and safety when running under harsh road conditions. This extends the life of the product, saves maintenance costs and improves operational efficiency.