... .OEM/ODM cast iron elbows MaterialDuctile Cast Iron, Grey Cast IronProcessSand CastingSandGreen Sand, Sodium Silicate SandMin Tolerance0.05mmMachineLathe, CNC, Drilling Machine, Milling Machine, Boring Machine, Planing ... , parts casting, part casting, casting steel, casting forging, master mold, machine forging, forgings, casting iron, stainless steel, forging product, pigeon forge ...