... Ferro silicon magnesium produced with calcium, magnesium, rare earth alloy configuration, also known as magnesium alloy ball age We,Anyang Jinfang ... and so on.SpecificationRe 0.5-2.0%, Mg 5.0-7.0%, Si 45-48%, Fe rest Re 0.5-2.0%, Mg 6.0-8.0%, Si ... 45-48%, Fe rest Re 2.0-4.0%, Mg 6.0-8.0%, Si ... 45-48%, Fe rest Re 2.0-4.0%, Mg 7.0-9.0%, Si 45 ...