... Cr3+ZnSize available: 0.5-200mmShape: Block, Square, Disc, Cylinder, Ring, Rod, Bar, Stick, Tile, Fan, Ball3. Competitive, Reliable, ... by courier or others5. Grades of NdFeB Rare Earth Magnet N Series: N35 N38 N40 N42 N45 N48 N50 ... , Electron Accelerator, PMQ(electron beam), MRI (Magnetic Resonance Imaging), Magnet Therapeutic ApparatusSincerely welcome you to visit our factory and cooperate ...