• Pre-bending function, less remaining straight edge than our other products. • Vertical movements of lower and side rollers are driven hydraulically, controlled by microcomputer and leveled automatically. • LCD display and available for video-data input, edit, calculation, change and store • System protecting function, fault alarm and fault self-diagnosis. • Slim remaining straight edge and high bending precision • Providing the function of micro power optimizing coil sheet • Less remaining straight edge than other products. Slim remaining straight edge and high bending precision • Real-time data and coiling signal display, system protecting function, fault alarm and fault self-diagnosis, wrong operation intelligent judgment, power shutdown memory and safe protection, etc . • The most advanced coiling machine in this industry