SARU COPPER ALLOY SEMIS PVT. LTD. Exporters Of Cast & Cold Drawn Phosphor Bronze Rods & Bars, Squares, Hexagons, Alloys Of Gun Metal & Leaded Bronze. , Manufacturers Of Cast & Cold Drawn Phosphor Bronze Rods & Bars, Squares, Hexagons, Alloys Of Gun Metal & Leaded Bronze.