1, Bending radius:R200~300mm 2, Bending angle: 90-180 3, Application:aluminum alloy rail bending ... the strength of ultrasonic window curtains fabric cutting/slitting/welding machine, window curtains rail bending machine, etc. Window Curtains Track Bending ... MachineThis machine is mainly used to bend aluminum alloy window curtains rails.Characters:1, PLC controller, automatic running 2, ...