1.This profile bending machine is designed for all types of profiles bending only need to change the bend does.It can roll a ring or do spiral rolling. 2. BAIDE specializes in roll bending and forming channel beams, angle irons, I beams, square, rectangular and circular bars. Our roll bending machines can bend and shape bars and tubes of varied cross sections. 3. Three rollers driven by three hydraulic motors and three planetary reducers is more advanced than any other profile bending machine which only has one roller driven by one hydraulic motor. It can reduce the length of straight line. 4. PLC operation system, 7" touch screen. Data shown clearly; two kinds of operate modes:semi-auto & auto; easy and convenient operation.