An Orion Roller Shell is made available by us in for industrial purposes. It is the surface of roller assembly where raw materials are pressed against the die. It can be used on pellet machine to make kinds of feed pellets, fuel pellets or other kinds of pellets. It is one of the main work parts in pellet mill and is applied for processing various kinds of biomass fuel granule, animal feed pellet and other pellets. It is made of wear resistant alloy steel with carburization heat treatment, featuring even hardness and long service life. The Orion Roller Shell is very durable.