CNC HYDRAULIC PUNCHING AND MARKING MACHINE This machine is used for punching, marking of connection plate on power-transmission tower and steel structure industry. ?Main frame is fortified C-type welding structure, withstrong rigidity and longevity of service. ?Three stations(one can be used as marking station),automatic allocation station. ?Worktable with ball-bearings supports workpiece,gripresistance is less. ?X-axis and Y-axis are driven by