Steel section  bar Bending machine  is  downward roll bending machine,this machine can do a complete pre-bending, rolling and roundchecking process  at one time  feeding. Two lower rollers of the machine are main drive rollers to be three main driving roller work rolls, roll on the fixed position, the two sides around the fixed center of rotation of the roller lifting an arc motion, hydraulic control, the displacement of the liquid crystal display, display accuracy ± 0.1mm, help control sections forming process; both sides with roller device, helping to ensure the quality of rolling asymmetric sectional profiles, advanced machine structure, full-featured, is the advanced profiles molding equipment at home and abroad, can stand up or lying down based on user's usage.