Ekahship can supply Building Structural Plate with qualified standards of GB/T19879, JISG3136, and ASTM. We have steel grade of Q345GJ, Q390GJ, Q420GJ, Q460GJ, SN400, SN490, A572, A573, and A633 for your references. Specifications from 5~100×900~4100×6000~25000 (mm) are all acceptable. Should you have any demands on it, please contact us -sales@ekahsip.com.