For those who don't know much about the magnet industry, most people think that ordinary magnets are black magnets with poor magnetic properties. A strong magnet is a magnet that is white in color and strong in magnetism. In fact, most people think that this is not normal. The difference between strong magnets and ordinary magnets is to distinguish them from their materials. Strong magnets are generally composed of aluminum-iron-boron, and ordinary magnet materials are ferrite materials. Compared with ferrite magnets and AlNiCo, SmCo’s magnetic properties greatly exceed those of other magnets. Moreover, NdFeB magnets can absorb 640 times the weight of their own , so NdFeB is often used in the industry. That’s what we called strong magnet.