Tube Bending Machines of Schwarze-Robitec As one of the world's leading companies for the production and development of CNC c ... ontrolled tube bending machines, we have more than 80 years experience in manufacturing and maintenance of tube and profile cold bending machines for tube diameters of 4mm - 420mm. In addition we were and are the leader in the further development of our industry. Mandrel Bending Machine with CNC-control Booster Bending Machine with CNC-control Tube Bending Measuring Systems Fully automatic solutions Complete system solutions Special bending equipment Consulting and Individualization. read more