... Iron-Boron 2. Certificate: ISO9001: 2008, SGS/RoHS, TS16949 High Energy Flexible Magnets Rubber Sheet in Intellectual PuzzlesName: Flexible Rubber ... Magnets, Soft Magnet, Flexible magnet rubber magnetic sheets, ... of Origin Shenzhen,guangdong,china MaterialSintered Neodymium-Iron-BoronTemperatureThe max operation temp is up ...