... 0.1~10mm 3.tolerance:+/-0.005~+/-0.02mm 1. motor magnet;micro precision magnet; magnet, micro magnet, small magnet2 ... miniature ring magnet through laster incising, drilling and processing SmCo, NdFeb and Ferrit magnet materials. Now our annual output ... widely applied to the fields of Micro motor ,watch movement rotor, Sensor and Optical Isolator, and get high reputation overseas (Switzerland, Japan, ...