hot sale I beam 1> Material:Q235, Q345, SS400 2> Length:6M,9m,12m 3>GB/T19001-2008/ISO9001:2008 ... /5 1> Material : SS 400, A36, S235 JR, Q235 etc.2> Length : 6 meter, 9 meter ,12 meter3> Chinese Standard size ... -Shen Expressway. Our main products include angle steel, channel, I-beam, H-beam, deformed bar and more. Under the Principle of "honesty ...