低合金Q355B/C/D??厚度8~120mm?现货充足Z向板Q355BZ15/Z25?Q345GJBZ15/Z25高强度板Q390B/C/D?Q420B/C/D?Q460C/D/E?Q550D/E?Q690D/E桥梁板Q345qC/D/E?Q370qC/D/E高建刚Q345GJB/C/D?Q390GJB/C/DQ960E,Q890D,Q690D,Q550D,Q460C,Q420B,HG785D,HG70D,HG60,HG785XYD,HG70XYD,HJ58C,LG960QT,LG700T,LG600T,LG700XL,LG750L,WL510,W610L,WL700,WSY700,WL750,600XT,NM360,NM400,NM450,NM500。)