... Product Description:1. Material: sintered Neodymium Ferrite Boron;2. Grade:N35~N52, N35M~N50M, N30H~N48H, N30SH~N45SH, N28UH~N35UH, N28EH ... treatment, loudspeakers, sensors, motors, rotors, wind turbines, wind generators, magnetic hooks, magnetic holders, filters, toys and accessories, etc. Our business strategy: Integrity ...