1:quality good 2:Length: 6m---12m, 3:SS400, Q195-235, European standard 4: manufacture according to buyers' requriment STEEL BEAM - H Laigang owns three section steel production lines, HGR50305X101X5.6X6.7309x102x6x9313x102x6.6x1143A305x305x118A36305x305x180HS235JRS235J0S275JR96X100X5X8100X100X6X10114X120X5X8120X120X6.5X11180X91X5.3X8200X100X5.6X8.5S235J2S235JR+ARS275JR171X180X6X9.5180X180X8. ...