... , Q345 Material: S275JR, S275JO, S355JR, S355JO Size: 20x20mm-200x200mm steel angleNormal material: Q195, Q235, Q345Material: S275JR, S275JO, S355JR, SS400 ... : 2mm-24mmOur company is a professional manufacturer of steel products, which specializing in the production and sale ... in the seamless steel tube, angle steel, H-beam. channel, I-beam, Hot ...