The size of the tank head, the head of the tank the height http://www.hebftc8.com/ Telephone 0317-8210122, Mobile 13722724665 Tank head manufacturing introduced as; the manufacturing tank or cylinder designed automated assembly welding equipment, for the head and cylinder, the cylinder and the cylinder welded construction, the use of this device for ring seam counterparts assembly, tack welding, formal welding. The device comprises the following parts: clamping the workpiece and the ring seam the assembly welding apparatus of the counterpart assembly body; bearer workpiece.