主营:S136模具钢,8407模具钢,2083模具钢,2316模具钢,2344模具钢,NAK55模具钢,NAK80模具钢,PAK90模具钢,FDAC模具钢,DH2F模具钢,DC53模具钢,SKD11模具钢,H13模具钢,SKD61模具钢,SK5弹簧钢,SK7弹簧钢,CK75弹簧钢,CK85弹簧钢,C67S弹簧钢,C75S弹簧钢,C85S弹簧钢,1075弹簧钢,1085弹簧钢,1095弹簧钢,65mn弹簧钢,SKH51高速钢,SKH59高速钢,M35高速钢,M42高速钢,M2高速钢,SKS21合金钢,SKS3合金钢,4135合金钢,8620合金钢,5140合金钢,12L14易车铁,1215易车铁,SUM22易车铁,Y15易车铁,1144易车铁,SUJ2轴承钢,52100轴承钢