主营产品：无缝钢管,模具钢,,,45#,,,42CrMo,,,20CrMO,,,30CrMnSiA,,,40CrNiMoA,,,38CrMoAL,,,T10,,,65Mn,,,9Cr18,,,40Cr,,,Cr12,,,Cr12MoV,,,W6,,,W18Cr4V,