... , A36, S235 JRG1, Q235, Q345 etc. 2> Length : 6 meter, 9 meter I beam / I-beam / I beeam steel1> Material : SS 400 ... , A36, S235 JRG1, Q235, Q345 etc.2> Length : 6 meter, 9 meter ,12 meter 3> Chinese Standard size : 100*68*4.5mm-630*180 ... in 2000,our company located in Fen run District, Tangshan City and close to the west of Jing-Shen Expressway. Our ...