1.Standard: GB,ASTM,JIS,DIN,BS20*20*2mm-200*200*20mm 3.High quality 4.short term delivery 5.10 ... :Q235,Q345,10#,20#,ASTM A106 Gr.B,A36,SS400,st37-2Standard:GB,ASTM,JIS,DIN,BS20*2mm-200*200*20mmUnequal angle25 ... *16*3mm-200*125*18mmLength1-12mAll the production process are made ...