... the shell. The turning-roll series includes the self-alignment.the adjustable,the movable,the tilting and ... , moving type turning rolls, rolls,idler wheel shelf, self-aligning turning roll, steel structure machinery, welding rotator, roller ... motor rotator, conventional rotators, valve housing rotator, adjustable rotators, self-aligning rotators, stator and rotator, nucleus rotator, anti-creep rotator ...