1.Metal bending machine for bending the strape to ring; 2.No longer ... wast, make any large sizes. Metal Ring Bender bending metal strip into inner or outer ring of spiral ... material, no waste; can make any large sizes. Metal ring bending machine > Power: 380AV, 50HZ, 2.8KW > L x ... ring: 5 ~ 50mm More information for Metal ring bending machine ,please contact with sunwell sealing co. Metal ring ...