... equip with DRO to display the values of backguage,Automaticallydropping system.overshadow line,non-limited length cutting of thebackguages(ball screws),If ... you need CNC system ,you can choose E-20 CNC(made ... curtains for rear of shearing machine, you can choose the system from China or sick from Germany. shearing machine QC11Y-10x4000 ...