The structure of this machine is designed as an asymmetrical three-roller structure form. This machine has the two functions: prdbending and circle rolling and is widely used in decoration, chemical industry, metal structure, raceway and oil pipe line, machine manufacture and other trades. The upper roller and lower roller are the driving ones and side roller is the driven one. lower one lifts vertically and the side one moves slantingly. This machine is convenient in operation and maintenance. So its really an ideal equipment for bending and modilling the thin plates.