... high quality ferro silicon, and mainly used in steelmaking, cast steel, moulding. etc IntroductionThe ferro silicon powder takes the coke, ... high quality ferro silicon, and mainly used in steelmaking, cast steel, moulding. etc IntroductionThe ferro silicon powder takes the coke, ... is mainly used in the later period of steelmaking, cast steel, moulding,etc .The standards of the ferro silicon powder ...