... :wugang 2 Reasonable price 3 For the production of highway bridge st Bridge steel plateA709M (Gr36.50,50w,70w):Applications: Riveting and ... alloy Structure Steel Plate, Bolier and Pressure Vessel steel Plate, Bridge Plate, Structure Steel Plate, Ship-Building and Oil Platform Steel ... of Beijing, where the key load-bearing parts of the international trade building uses of 14900 tons of wugang steel plate ...