盛龙华磁材主要产品:电工纯铁、炉料纯铁、军工纯铁
销售热线:13613479139
C:0.002 Si:0.005 Mn:0.010 P:0.005 S:0.003
Al:0.010 Ni:0.005 Cr:0.005 Cu:0.005 Ti:0.001