What are the advantages of a radiation (multi-pole) magnetic ring sintered NdFeB

What are the advantages of a radiation (multi-pole) magnetic ring sintered NdFeB The output of sintered NdFeB magnets in China has exceeded 80% of the world's total output. Permanent magnet motors are an important field for the application of rare earth permanent magnets. In recent years, with the development of permanent magnet motor design and [...]