... Certificate: ISO9001: 2008, SGS/RoHS, TS16949 Magnetic coil Place of Origin Shenzhen,guangdong,china MaterialSintered Neodymium- ... Zn, Epoxy, Gold, and etc.High Magnetic PerformanceHigh magnetic performanceApplication Sensors, motors, rotors, wind turbines,wind ... generators, speakers,loudspeakers, magnetic hooks, magnetic holder, filters automobiles and so on.CertificateISO9001: ...