Ferrosilicon Fesi72,Fesi75 Size: 10-100mm or at buyer's option FerroalloyFerrosiliconErdos group takes the advanced equipment and craftwork, exceeded technology research and development, and excellent quality and service as business foundation, it invests a great deal into such production lines as 22×12500 KVA lines, 8×25000KVAlines, 18×16500KVA common ferrosilicon lines which are being ...