... China , CPM,Buhler ,Munch) Dia:1.2mm-16mm alloy steel ,stainless steel Used in various ring-pellet mills ( ... and oversea CPM, Buhler ,Munch)Dia:1.2mm-16mm alloy steel ,stainless steel(Chromium steel grade)Customized specifications are ... pellet ,straw pellet ,and fertilizer pellet Size of roller :groove roller, dimpling rollerMaterials: alloy steel ,stainless steelTechnical parameters: open end ,closed ...