Neodymium Iron Boron magnets, the most powerful permanent magnets ... and shape according to your requests.2.Quality of magnet Most of our products have obtained International Approvals like ... Certificate in our website.3.Application of our magnets Acoustics, Motor assemblies, Sensor, Lighter, Windmill, MRI,Transportation, IT industry , ... problem, Pls contact us at any time ! Huge Cylinder Magnet