... , IndustrialComposition: NeodymiumPackage: Paper CartonOrigin: Dongyang, ChinaProduct DescriptionShenzhen Tongyida Magnet Industry Co., Ltd. is a NdFeB , AlNiCo, FeCrCo, SmCo and Ceramic permanent magnet ... plating (Nickel, Zinc, Passivatation, Epoxy coating, etc.).Applications:Sensors,motors,filter automobiles,magnetics holders,loudspeakers,wind generators, medical equipments, etc.