... Zn,Ni,Epoxy Applicationmachine,medicine,package box Sintered NdFeB magnet is much stronger than alnico magnet, ferrite magnet, .has ... which can be be used in medicine ,machine ,motors ,pakaging box and so on.If you are interested in our sintered ring ndfeb ... tell us the grade, size, magnetization direction, coating and other requirements. Sintered ring NdFeB magnets used in machine,medicine and etc.