1. Its suitable for large diameter pipeline project and all kinds elbow pipes. 2. The steel pipe bending radius and angle can be adjustable at your request. 3. The raw material pipe: seamless steel tube, welded steel tube or rolled steel tube. 4.Bending pipe specification: OD 108mm-1420mm, wall thickness:5mm-100mm. 5. Bending pipe bending radius:≥3, bending angle can be adjusted in a certain range. 6. Main oil cylinder process can be fixed according to the open diameter of bending pipe and bending radius ( provided by customer)