... HIGH STRENGTH STEEL PLATE1.Brief introductionS890Q is engineering machine steel,featured with high strength,high toughness ... ,automobile refitting,communication tower ,and coal ore machine,e.g. various crane,coal machine,truck,concrete equipment and bulldozer,with ... automobile refitting,communication tower ,and coal ore machine,e.g. various crane,coal machine,truck,concrete equipment and bulldozer,with ...