... manufacturer of ferro silicon magnesium,we could supply the products as per buyers' requirements grade(ferro silicon magnesium)compositions/% ... (a 12500 KVA submerged arc furnace), special alloy smelting workshop (two), not stereotypes refractories, ... tons of silicon-manganese alloy, aluminum ferromanganese, ferro silicon magnesium,iron sulfide, barium, and other special alloy Alumina 10, ...