供應重慶16mn圓鋼 重慶Q34

重慶16mn圓鋼 重慶Q345B棒材 重慶Q345B圓鋼 重慶16mn圓棒 圓鋼系列 　　合結(jié)鋼,碳結(jié)鋼,模具鋼,軸承鋼,工具鋼,彈簧鋼,齒輪鋼,冷拉圓鋼,熱扎圓鋼,鍛制圓鋼. 　　圓鋼材質(zhì)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…..聯(lián)系電話：023-68187335