... 25daysSpecificationsNeodymium magnets is an alloy magnet made fromNd,Fe,B and other metal elements.It is with the strongest magnetism,good ... and 30EH-35EH;4) Shape: ring,block,disc,bar and so on;5) Size: according to customers' request;6) Coating: Ni, Zn, gold ... , copper, epoxy and so on;7) Application: sensors, motors, rotors, wind turbines ...