... wall 4) High precision HSKC-21225K CNC Turret Punching Center Feature: 1) CNC turret punching machine for steel panel/sheet/plate2) Siemens program ... high speed transmission and high precision location 1.3 SIMENS punching machine CNC system, multiple functional, safety operation, easy edit, ... SONOAir cylinderSONOElectropneumatic valveXINYILinear guide railHIWNBallscrew TBI CNC Turret Punching Machine