... production line is special for mass-production manufacturing refrigerator back shell, the whole machine is composed by following parts loading ... end shape bending machine, roller conveyor line, feeding mechanical arm, convex-pressing machine, discharging mechanical arm, diacharging plateform, electrical control system, hydraulic ... about 26kVA(380v 50HZ),0.5—0.65Mpa Refrigerator Back Shell Forming Line