The smallest type welding turnign roll in the world.

The turning-roll series includes the self-alingment, the adjustable, the movable, the tilting and the anti-drft types. The series is used to weld, Polish and assemble the cylinder-shells, and to line the shells with rubble. The self-alignmeng turning roll can be aligned by itself according to the size of the shell, the adjustable turning-roll can be adjusted by lead screws and bolts grading