... 7 Japan Nachi hydraulic pump, Switzerland digital proportioning servo valve, loop-locked control, digital adjustable journey and speed, maximum punching speed 600HPM1 ... B C D, rational quantity and position division of different type of dies, save the dies cost 1.12 Air ... linkage, excellent rigidity, easy move1.14 Hard brush and steel ball work table, low noise, absorption of vibration, plate surface ...