... Application: Motor, Loudspeakers, Industry Stable quality OEM service Permanent Ring Neodymium magnetProduct Name: Neodymium magnetModel No.: N, ... such as strip casting, HDDR technology;3. Magnetic properties: High coercive force, the max operation ... , rotors, wind turbines/wind generators, loudspeakers, magnetic hooks, magnetic holder, filters automobiles and so on. Permanent Ring Neodymium magnet