1.Special numeric-control system fitted with mainframe of the bending machine 2.Mulch-work-step programming function is able to achieve an automatic operation and continuous positioning of mulch-step procedures, as well as an automatic precision adjustment for positions of rear stopper and gliding block. 3. The machine is provided with bend counting function, for a real-time display of processing quantity and power-failure memory of positions of stopper and gliding block, as well as procedures and parameters 4. Imported ball bearing lead screw and linear rail are used for rear stopper, to ensure the positioning precision of rear stopper, for processing precision of machine to be bigger.