... supply the products as per buyers' requirements grade(ferro silicon magnesium)compositions/%REMgCamaxSiMnTiFe maxFeSiMg6RE10.5~2.05.0~7.01 ... , the five-star enterprises operating integrity of the county,key sources of tax revenue units, five-star integrity taxpayers ... tons, more than 2,000 tons of silicon-manganese alloy, aluminum ferromanganese, ferro silicon magnesium,iron sulfide, barium, and other ...