1.4 different spacer size storage units 2.Can bend aluminum spacer Spacer auto connecting and cutting ,auto avoid spacer connection while bending and cutting 3.Support continuous bending , Auto-connect with next spacer. 4.machine auto stop when no spacer supplied 5.USB input function ,it can read the excel data directly 6.Spare parts of all machine have code ,convenient for after-sale 7.Heavy duty connectors ,convenience and safety for installation and debugging 8.German siemes plc control systerm &servo control system 9.Magnetic valve use Taiwan Airtac.