... of four column hydraulic press is applicable for such processes of metal materials as drawing,bending,flanging,cold extrusion ... system,oil cooler,touch industrial screen,knockout device-hydraulic or mechanical type.Fast die clamping mechanism,imported ... 28 600 700x700 850 700x700 11 4 Y71-200 2000 28 615 800x800 900 800x800 15 6 ... 1600x1600 1450 1600x1600 74 52 Y71 -200 ton four column hydraulic press