It is widely used in the machines that has the unwinding and rewinding unit like the printing machine, roll cutting machine,slitting machine,coating machine, laminating machine, bag making machine,etc.

Differental shafts have been widely used in the slitting and rewinding of plastic films (including electronics, capacitors, battery films, cling film, packaging, composite films); metal foils (copper foil, aluminum foil, etc.); paper rolls; and PVC sheet rolls. It is currently being extended to other fields, other industries, and the slitting of  special materials.