Component is the internal structure of iron, cobalt, nickel and other atoms are uniquely atom itself has a magnetic moment. Under normal circumstances, these mineral molecules are arranged more confusion. And their magnetic domain not magnetically influence each other and displayed, the? Spot gift bulk magnet, but in an external force (e.g. magnetic) guide arrangement direction of the molecule will tend consistent magnetic properties will appear obvious, it what we usually known as a magnet. Permanent magnets and magnet divided soft iron, the permanent magnet is coupled magnetic, magnetic spins and electron angular momentum in a fixed direction material arranged? Gift magnet brands, soft is plus current (also a plus magnetic method) and the like to remove the current soft magnetic iron will slowly lose. The earliest discovery and use magnets should be Chinese people, "compass" is one of China's four great inventions. Magnets can be grouped into "permanent magnet" and "non-permanent magnets." Permanent magnet may be a natural product, known as lodestone,? Gift magnet to be manufactured by hand (the strongest magnets are neodymium magnets). The non-permanent magnets, magnetic only under certain conditions there, usually in the form of electromagnets generate,? Gift orders magnet, which is to strengthen the magnetic field by the current. Magnet Manufacturer: NdFeB How made? Sintered NdFeB powder metallurgy manufacturing process is an iron-based permanent magnet material. The main steps are: formula, melting, milling, molding orientation, sintering, machining, plating processing. Control wherein the oxygen content is an important indicator of the level of workmanship. The new production plant Tong Company has selected high-vacuum melting, sintering furnace and advanced automatic control jet mill, to ensure that the basic production process anaerobic operation, so that product performance and temperature are breakthrough improvements. ? Large quantities of stock gift magnets | New Tong Xin magnetic |? Gift magnet provided by the Dongguan City, Tong Xin magnetic Limited. Dongguan City, Tong Xin magnetic Limited (www.dgxtxmagnet.com/) Dongguan, Guangdong, magnetic leader, over the years, the company implement the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. New Tong Xin magnetic leadership with the staff warmly welcome all inquiries to discuss, with new magnetic Xin Tong better future.