天津顺天钢铁贸易有限公司 主要经营 合结钢,碳结钢,模具钢,轴承钢,工具钢,弹簧钢,齿轮钢,冷拉圆钢,热扎圆钢,锻制圆钢.圆钢材质有;8#,10#,15#,20#,25#,30#,35#,45#,20Cr,35Cr,40Cr,45Cr,50Cr,15Mn,16M(Q345B),50Mn,65Mn,Q235(A3) 15CrMo,20CrMo,35CrMo,42CrMo,5CrMnMo,38CrMoAL,YF45MnV, C CMoV,Gr15,40Mn2,45Mn2,60Si2Mn,20CrMnTi,20MnTiB,ML35,T8A,T9A,T10A,T11A 热线电话：022-26812876