Belt materials can be either rubber, canvas, PVC or PU. Besides the transportation of common material, it can also transport some special goods that may require resistance to oil, erosion and static charge. Special belt can be used to transport food, medicine and daily used chemical products. The conveying is stable, and there is no relative movement between material and the belt so as to avoid the material conveyed from being damaged It has relatively low noise as compared with that of other kind of conveyers, and is suitable for use in the places where a more quiet working environment is required. It has a simple structure, easy to maintain, with small energy consumption and low operation cost.