fesimg 1.as as additives, alloy additives, mainly used in the production of steel and iron. 2.self- produced and self ... - export labotory in the factory FeSiMg is a good inoculant, which joined in ferrosilicon, calcium, magnesium and alloys ... , strong desulfurization. It as additives, alloy additives, mainly used in the production of steel and iron. specification Size 1-40mm, 5 ...