Unequal Angle Bar Size:20*20*3mm-250*250*35mm Standard:GB/ ... :Q235,Q195,SS400,SS540 or T37-2,Q345,S235JR Unequal Angle BarSize:20*20*3mm-250*250*35mmStandard:GB/T 700 ... Co., Ltd was one large Steel Holding Company, as a window of foreign trade of Chinese Steel industry.If you have ... give u the competitive price based on good quality! Unequal Angle Bar