Features: 1. A variety of types for you to choose: skeleton type/plate type/U type. 2. Axle 2/3/4/6 can be used for different road conditions. 3. Straight beam or gooseneck type optional. 4. Provide container twist locks. 5. After dumping, quick unloading, clean unloading. 6. Different lengths are optional. High fence up to 2000mm.7. Multiple ways to open doors.