CNC Asymmertical three rollers tube making machine, same to roval roller Max. worling length: 1300mmmin.rollling diameter: 100mmRolling shape: 5 kindsWeight: 380KGDimension: 1800x610x1000 mmRoval Roller, duct roll bending machine, duct rolling machine Roval Roller, duct roll bending machine, duct rolling machine