Dear Sir, We manufacture SRM Free (Halal) Crushed Bones (Raw material for Ossine & Gelatine) from sun dried Slaughter from healthy animal bones, Bone Tallow, Bone Grist, Bone Meal, & Other Products. Crushed Bones:- Sizes 3/8\", 5/8\",3/4\" Crushed Bone is the raw material for Ossein and Gelatin. Bone Grist:- Size 3/16\" Bone Grist is the raw material for Bone Charcoal. Bone Charcoal is used for refining sugar syrup. Raw Bone Meal:- size 0-2mm Nitrogen: 4% Min. P2O5 :22% Min. Raw Crushed Hoof Nitrogen : 13.5% Min You are please requested to give your kind support to promote our business. You are also requested to provide us some assistance by giving us the names and address of some of your friends who buy Crushed bones. Please Reply Best Regard