... requirements grade(ferro silicon magnesium)compositions/%REMgCamaxSiMnTiFe maxFeSiMg6RE10.5~2.05.0~7.01.5~3.044.01.01. ... (two), not stereotypes refractories, milling agents, machinery manufacturing processing a total of nine production workshop, with annual production of low ... -carbon ferromanganese more than 30,000 tons, more than 2,000 tons of silicon-manganese alloy, aluminum ferromanganese, ferro ...