special welding rotator:1.Traction welding rotator 2.With retractable line 3.CE & ISO ... of the wheel frame, such as anti-wear-type roller frame, tilt wheel frame, testing wheel frame, the ... long axis wheel frame, sandblast with the roller frame, paint with the roller frame, group-type wheel frame, pipe making ... with sales for the detialed products informations,thanks! Special welding roller stands