Permanent magnets are widely used in various fields such as electronics, electrical, mechanical, transportation, medical and daily necessities. such as permanent magnets for speakers and telephone receivers; the magnetic system of the magnetoelectric meter; magnetic poles in generators and permanent magnet motors; Permanent magnet devices used in machine manufacturing (such as permanent magnet chucks for surface grinders, etc.) as well as magnetic levitation systems and magnetic bearings; Magnetic separation system, magnetic beneficiation, magnetic purification water system, magnetic system of magnetron, proton accelerator, etc.
