Hard disk crusher is a low-noise storage medium suitable for office use. It is a small office product shredder. More functions include shatterable storage media such as compact discs, U disks and IC cards, telephones, mobile phones, calculators, drums Office supplies such as cores, recording pens, paper, and magazines. The crusher integrates the forces of extrusion, stretching, cutting and so on, and completely crushes the medium through the roll shredding technology. The equipment is maintenance-free and easy to use.