welding manipulator,welding rotator,welding positioner carry out automatic welding,pipe welding,tank welding,cylinder welding The welding manipulator ... of column, boom, pedestal,ladder,electrical equipmet and hand control box. We also offer welding head and flux recovery system ... The speed of retracting are adjusted by Frequency Conversion Speed Control(VFD). It is precise and stable(5) Movable type ...