... supply the products as per buyers' requirements grade(ferro silicon magnesium)compositions/%REMgCamaxSiMnTiFe maxFeSiMg6RE10.5~2.05.0~7 ... , more than 2,000 tons of silicon-manganese alloy, aluminum ferromanganese, ferro silicon magnesium,iron sulfide, barium, and other ... researchers, who is from Beijing University of Science and Technology Research Institute of Luoyang Refractory, to work together on ...