... .Certification: ISO9001:2008 2.High quality,Competitive price 3.Shape: block Block Magnets. 1. Materials: Neodymium-Iron-Boron;2. Technology: Utilizes new ... casting, HDDR technology; 3. Magnetic properties: High coercive force, the max operation temp is up to 200 degree centigrade or 380 ... loudspeakers, magnetic hooks, magnetic holder, filters automobiles and so on. Block shape NdFeb permanent magnet