... colors adopted 4.MOQ:negotiation 5.OEM/ODM cast iron elbows MaterialDuctile Cast Iron, Grey Cast IronProcessSand CastingSandGreen Sand, Sodium Silicate SandMin Tolerance0 ... Products: casting parts, sand castings, Investment castings, steel forgings, parts casting, part casting, casting steel, casting forging, master mold, machine forging, forgings ...