We supply 3 roller plate bending machine, metal rolling machine roll metal plate into cylinder. We have Asymmetric type / symmetric type, top roller universal type. 3 roller plate bending machine, metal rolling machine, symmetric type, roll metal plate into cylinder, top roller move vertically Symmetric three-roller structure 1) Top roller moves vertically with lead screw and worm gear 2) Bottom rollers rotates by motor 3) With the help of other equipment for pre-bending Asymmetric three-roller structure 1) Top roller rotates as main drive 2) Bottom roller moves vertically and rotates as main drive 3) Side roller moves up and down tipsily 4) Single side pre-bending