... Ring die is widely used in feed, organic fertilizer, sawdust particles, particle hops, marigold particles etc ... ring mold, is widely used in feed, organic fertilizer, sawdust particles, particle hops, marigold particles, forage ... other Manufactures the basic model ring die: 200-600 Aperture size is: diameter1.1mm-diameter1.2mm ... fracture. Spare SS Die Size SZLH768 Fertilizer Granulating Machine