... Certificate: ISO9001: 2008, SGS/RoHS, TS16949 Magnetic coil Place of Origin Shenzhen,guangdong,china MaterialSintered ... blue 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: ...