Silicon Metal 421 1,Competitive price 2.Hot sale overseas,80% for export 3.Professional manufacturer 4,ISO9000,CCIC silicon metal 4211,Name:Silicon Metail #4212,Sic(min):99% MIN3,Fe:0.4% MAX4,AI:0.2% MAX5,CA:0.1% MAXSize:10-100mm 90%min,or at customers optionPackage:1mt plastic woven bags with PE line Detail Specification:Modle NumberYDX421 Grade#421Chemicial Composition(%)SI pct(%)≥≥99%FE(%)≤≤0. ...