Model FSW-2LH-2006 FSW machine is mainly for the AA profiles joining for shipbuilding and rail-road industry, which is able to join the profile with thickness 2-6mm and length 12m, roller holder is set up on the side of the machine so that large profiles after welding with unlimited width can be obtained. The large Friction stir welded plates has very low distortion, but excellent joint performance with beautiful external appearance.