HUIDA Ring die is widely used in feed, organic fertilizer, sawdust particles, particle hops, marigold particles etc. HUIDA Company produces ... alloy steel ring mold, is widely used in feed, organic fertilizer, sawdust particles, particle hops, marigold particles, forage grain and other ... avoid the ring-mode fracture. Spare SS Die Size SZLH768 Fertilizer Granulating Machine