1.JIS G3141,GB Q235--Q345,ASTM A36,DIN STANDARD, UPN, UPE, etc 2.SIZE: 50mm-400mm TANGSHAN BAIFENG STEEL STRENGTHSPRICE: Keep lower operating costs so as to offer competitive price for our clients QUALITY; all products undergo a rigorous factory inspection and QS certified, so as to safeguard the interests of users SINCERITY: no cheating, always tell the turth to clients,just do the business we ...