1).plate roll. 2).Pre-bend end plates 3).Synchronous control by ... ,U,R 5).ISO9001:2000 certicated 1).CNC rolling machine,CNC plate bending machine,CNC plate roll,CNC bending roll,CNC roll bending machine,CNC plate bending rolls.2).high stability end ... .Roll O shape:back side rolls way;Roll U shape:front side rolls way;Roll several R shapes:combined way.