... -BoronNeodymium magnet, NdFeB magnet, permanent magnet, Rare earth magnet Shape:Ring, Disk, Block, segment, ball,cylinder andAs the request of clients ... 380 curie temperature; 3.Products manufactured according to ISO9001 quality system;4.Coating: Ni, Ni-Cu-Ni, Zn, Ag, Au and ... receive good reputation for our high quality and best service. Ring ndfeb magnet