... blade atos valves,NOK seals,siemens part. QC12Y-6*3200 hydraulic shearing machinery,hydraulic sheet shearing machinery/cnc shearing machineryThe performance of ... and promptly. 3. The sheet is moved easily through rolling ball equipped on worktable and protect the surface of ... . The back gauge driven by servo motor adopts rolling ball screw, rolling guiding way, so it's positioning precision could reach ...