Features: 1. Because of the small distance, the operation is particularly quiet and the noise is low. 2. Wear resistance, high temperature resistance, salt resistance, acid resistance, alkali resistance, strong structure, not easy to deform, low noise, flexible assembly and disassembly, upper and lower covers can be opened, heavy load, high-speed movement, and long life. 3. Beautiful and natural appearance 4. It is composed of sections, the length can be adjusted by itself, and it is convenient to install and fold. 5. Fast moving speed, allowable temperature -40°C to +130°C Suitable for short distance and light load