Used in various ring-pellet mills (Made in China , CPM,Buhler ,Munch ... 16mm alloy steel ,stainless steel Used in various ring-pellet mills (Made in China and oversea CPM, Buhler ... feed , fish feed, cow feed and sawdust pellet ,straw pellet ,and fertilizer pellet Size of roller :groove roller, dimpling rollerMaterials: ... hardening high strengthOptimum arrangementfor specified application pellet mill die