天津鲁天钢铁贸易有限公司是一家集生产加工、经销批发的有限责任公司,主营:一.各大钢厂圆钢,有合结钢,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,具体的圆钢材质有(8#,10#,20#,25#,30#,45#,50#,Q235B,Q345B,15Mn,16Mn,65Mn,5CrMnMo,20Cr,40Cr,50Cr,30Cr,15CrMo,20CrMo,40CrMo,35CrMo,20CrNiMo,40CrNiMo,20CrMnMo,40CrMnMo,38CrMoAl,38CrMoAlA,YF......
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