... best services and great reputation.3.Ferro silicon magnesium with Rare earth is a good inoculant, which ... joined in ferrosilicon, calcium, magnesium and alloys of rare, it have high mechanical ... , hard and easily broken.Suitable for steel, cast iron, or made as additive in rare earth ... middle alloys. Used as grey, nodular cast iron and vermicular iron inoculant, it is all ...