rolling bending machine by means of direct pressure from top-roller ... Feature of W11S Series Universal Top Roller Rolling Machine: 1.Pre-bending is available by means of direct pressure from ... one end is in low position, another is in high position, with the help of cone-bending device, the machine can ... 50 3000 600 340 610 75 11 22 Rolling Bending Machine,hydraulic bending machine,rolling machinery