... raw material, such as straw, sawdust, wood chips, waste wood, rice husk etc, make density pellets of 1.0-1.4 ... pellet machine and traditional ring die pellet machine, unique design, vertical double layer die, high capacity, enlarge spare part lifetime.This ... between roller and die. the material can be wood sawdust, rice husk, bagasse, cottonseed hull mixed with some fiber, palm fiber ...