供应重庆16mn圆钢 重庆Q34

重庆16mn圆钢 重庆Q345B棒材 重庆Q345B圆钢 重庆16mn圆棒 圆钢系列 　　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,16mn(q345b),q345c,q345d,q345e,50mn,65mn,

q235b(a3) 15crmo,20crmo,35crmo,42crmo,5crmnmo,38crmoal,yf45mnv, cr12

cr12mov,gr15,40mn2,45mn2,60si2mn,20crmnti,20mntib,ml35,t8a,t9a,t10a,t11a

t12a,t13a,3cr2w8v,20crmnmo,40crmnmo,20crnimo,27simn…..联系电话：023-68187335