1).bending roll,plate roll 2).Pre-bend end plates 3).Synchronous ... :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 prebending of ... widely.5).research of safty. The lower rollers are fixed,the upper roller move vertically and horizontally.The job ...