... ,black,ring,disc and so on. 2,Certificate:ISO9001:2008 3,Grade:N35-n52,etc 4,located in Shanghai or Ningbo NdFeB ... ,N35SH-N45SH,N28UH-N38UH,N28EH-N35EH,N28AH-N30AH;4) Shape: ring, block, disc, bar and so on;5) Size: according to ... ;7) Application: sensors, motors, rotors, wind turbines, wind generators, loudspeakers, magnetic hooks, magnetic holder, filters automobiles and so on;