Profile: Ningbo Xinfeng Magnet Industry Co., Ltd. is a manufacturer of sintered NdFeB magnets. Motor magnet is widely used in motors and electrical systems. Sintered NdFeB is applied in servo motors, flat brushless motors and stepper motors, IT products, nuclear magnetic resonance, and also in speakers. NdFeB magnet rusts due to oxidation, and therefore it is usually surface coated with zinc, nickel, silver and gold.