The W24 Section-bending Machine produced by our company is a three-roller one and W25 Section-bending Machine is a four-roller one. The equipment is an effective processing equipment to be used to process specially wrap bending angle iron, box iron, H-steel, flat steel, squre rectancular pipe, circular pipe, round steel etc. They can finish the working procedure of rolling circle and revising circle once. In addition, it can make all kinds of sectional materials bend to be needed circle, arc, spirality, flange shape etc. The three-roller and four roller of this equipment is drive roll which can finish the bending of all kinds of sectional materials effectively and accurately. So it is the ideal effective, energy-saving, material-saving machining equipment of the industries such as oil and chemistry, aeronautics and astronautics, shipbuilding, mechanical manufacture, net frame, steel structure construction, large pipe, hydraulic instrument etc.