... Welcome Dalian Leading Metal Ltdgray iron castingFeatures:1) Material: Grey cast iron , Ductile iron, Carbon steel, Alloy steel, ... casting, investment casting, die casting, permanent mold casting, iron casting, complete machining, painting, polishing, plating, heat ... Dalian Leading Metal Ltd.Dalian Leading Metal Ltd. Is specialized in manufacturing different kinds of iron and precision castings, ...