Ketian magnet corporation “Ketian” is a branch company held by Ningbo JinTian Copper Group company. Ketian specializes in researching, developing, and manufaturing high-power magnets from rare earth especially Sintered Neodymium magnets. The magnetic residual of our magnets in series N reaches 1450mT, and the maximum working temprature in series AH reaches 240 degree celsius. Furthermore, Ketian is also the ISO9001:2000, ISO/TS16949:2002 certified company and has intensive cooperative relationships with scientific institutions and universities working in various fields of study. Our technical team is always on hand to answer your questions and advise on the optimal magnet for your application, design issues, and performance tolerances.