1.vertical manipulator 2.CE&ISO approved. 3.customer oriented we can produce it. 4.we can offer OEM. Details of product:The name of this product is ZH4050 vertical manipulator for pipe welding . 1.Structure:stationary,stationary and revolve,moving and revolve type.2.Cross section of boom and column are rectangular-section beams,with double-rail,welded into shape,stressrelieved and mechanical ...