hot sale I beam 1> Material:SSST37-2,Q235, Q345, SS400 2> Length:6M,9m,12m 3>GB/T19001- ... 3/4/5 1> Material : SS 400, ST37-2 , A36, S235 JRG1, Q235, Q345 etc.2> Length : 6 meter, 9 meter ,12 ... our company located in Fen run District,Tangshan City and close to the west of Jing-Shen Expressway. ... angle steel, channel, I-beam, H-beam, deformed bar and more. Under the Principle of "honesty,Quality ", we ...