NdFeB magnets are a class of rare earth magnets known for their high magnetic energy product, which translates to a powerful magnetic field. The ring shape of these magnets adds a layer of versatility and functionality to their already impressive list of attributes.

1. High Magnetic Strength: NdFeB ring magnetsare among the strongest type of permanent magnets commercially available, with a magnetic strength many times greater than traditional ferrite magnets.
2. Corrosion Resistance: While neodymium magnets are generally susceptible to corrosion, NdFeB ring magnets can be coated or plated with materials like nickel, zinc, or gold to enhance their resistance to environmental factors.
3. Versatile Design: The ring shape allows for easy integration into various designs and mechanisms. It can be used in applications where a circular or annular magnetic field is required.
4. Uniform Magnetic Field: Due to their symmetrical design, NdFeB ring magnets produce a uniform magnetic field around the circumference, which is ideal for applications requiring consistent magnetic interaction.
5. Lightweight and Compact: Despite their strength, NdFeB magnets are lightweight and compact, making them suitable for applications where weight and space are critical factors.https://www.mlmagnet.com/product/ndfeb-ring-shape-magnet/ring-thin-ndfeb-magnet-with-a-big-hole.html
   Ring thin NdFeB magnet with a big hole, ring shape. It is very useful for the Motor, Generator, PM machine, and so on. Magnet Ring thin NdFeB magnet with a big hole, in the middle of the ring magnet, can be used as a small structure.