It is applicable to transfer the granularity with the size under 50mm, such as coal, detritus, grit, food stuff, and other soft packaging things. The inclination can be 30 degrees at the most.

The circle pattern has a large coefficient in friction, and it can increase the resistance during the movement, and also it can prevent the slip down of material

Types: Circularity type, V type
width: 400mm-800mm
layers:2-5