Magnet used in VCM is the new product after our more than one year R&D. Main grade: N44H, N46H, N48M , N50M , etc. Mainly apply to HD in notebook PC and PC. Equipment and so on RIP guaranteed the product takes shape once The full-automatic multiplex position numerical control grinder guaranteed the contour processing precision and the efficiency N 50M and other high performance grade magnet stable production