1. Materials: Neodymium-Iron-Boron, Rare Earth NdFeB Ring Magnet;
2. Technology: Utilizes new Sintered NdFeB magnet techniques and equipment such as
    strip casting, HDDR technology; 
3. Magnetic properties:
   a. High coercive force
   b. (BH)max from 33 to 53MGOe,
   c. Max working temperature up to 230°C;
4. Grades: N33-N52,33M-48M,33H-48H,30SH-45SH,30UH-38UH, 30EH-35EH;
5. Shapes: Ring, or others;
6. Sizes:  Length x Width x Height, mm/ inch. Customized;
7. Coatings: Ni, Zn, gold, copper, epoxy, chemical, parylene, etc;
8. Applications: Sensors, motors, rotors, wind turbines/wind generators, loudspeakers, hooks,
    magnetic holder, filters, automobiles,etc;
9. Parameters: Grade, Size( L X W X H) or Drawing, Coating, Quantity, Etc.
    Glad  to give you some suggestions on the NdFeB block magnet.
10. Certification: ISO9001:2008