... machine,shearing machine,cnc shearing machine With DELEM CNC system ,Italy Atos valves ,Japan NOK sealing ele hydraulic shearing machine,shearing machine,cnc ... offered.3)Ball screw is equipped. 4) Function of unidirectional and bidirectional positioning can effectively eradicate ... screw gap. 5)Function of retraction ensures avoidance of backgauge and workpiece ...