Magnets that can maintain their magnetism for a long time are called permanent magnets. Such as natural magnets (magnetite) and artificial magnets (alnico). In addition to permanent magnets, there are electromagnets that require electricity to be magnetic. Permanent magnets are also called hard magn Read More
Ningbo Bestway Magnet Co. Ltd. is a professional and high-tech company which is committed to research, manufacture and develop of Rare Earth Magnet since 2000 located in Ningbo, China.