Mild steel I Beam Grade:Q235B,Q345,SS400,A36,etc. Size: 100*68mm-630*180mm Length:6-12m Best quality,best price We are a biggest Structural steel supplier inTangshan,China,mainly focur on : 1) H beams and I beam,2).Angel steel and channel steel,3).IPE and IPEAA 4).Steel plates and Hot rolled sheet coils5).Steel rais In the meantime,we are a first agent of Jinxi Steel Group,Laiwu Steel goup and ...