... ) Mitsubishi servo /Yuken valve 3) Man-machine dialogue type operation 4)Double head Hydrulic double head pipe bending mchine(can rotary 90deg inner ... steel,Hollow pipe,Solid shafting,tube, solid bar, square, rectangle, profile etc.3. Various Touch screen language are available for choice ... steel furniture, etc. Inquiries are welcome at any time. Double head profile bending machine