China Ningbo Tongchuang Strong Magnet Material CO.LTD. is a high-tech company specializing in NdFeB magnet and magnetic materials, round magnet manufacturer, researching, developing and applications. We also are manufacturing and marketing other custom round magnets permanent magnets, such as Sm-Co, Al-Ni-Co, hard ferrites and rubber magnets. ISO 9000 QC systems is through our all production processes, with the assistance of advanced testing and inspection equipments and techniques. We also take RoHS requirement as the guideline in material selection. Tongchuan magnets have been used widely in small motors, instruments, electronic devices, auto parts, MRIs, Speakers and a great variety of other applications.