... Seam Welding Machine for Fuel Tank with Manipuator, DC, high speed, high quality, Zn coated tank Fuel Tank Seam Welding Machine with Manipuator FUEL TANK DC SEAM ... WELD EQUIPMENT ANNEXURE-3SNDESCRIPTIONShanghai Mountain Welding Industries Co ... auto dressing (Continous dressing)Narrow track seam welding with auto friction drive knurl wheel ...