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 Also known as ferrite magnets ferrite magnetic pen that we usually see little black magnets. Its raw materials are mainly composed of iron oxide, barium or strontium. After the magnetization, the residual magnetic field strength is high, and the residual magnetic field can be maintained for a long time. Commonly used as permanent magnet materials. For example: speaker magnets. Dongyang Kim Dae-ferrite magnetic factory supply, professional manufacturer of ferrite magnetic soft screen door, ferrite performance, reasonable price, widely used in various fields! Welcome to inquire Order! Different metal components constituting the magnet, the magnetic energy is different, so use is also different, mainly used in various fields sensors, instruments, electronics, electrical, medical, education, automotive, aviation, military technology. Alnico magnet is one of the oldest, known as a natural magnet magnetic materials plant, although he oldest, but his excellent adaptability to high temperature, it is still the most important magnet an aluminum-nickel-cobalt can work at temperatures above 500 ℃ normal, this is his biggest feature, in addition to corrosion resistance is stronger than other magnets. Dongyang Kim magnet magnetic factory specializing in custom manufacturing, focusing magnet fifteen years, high-performance magnets, high-precision magnetic magnets make great plant in gold, you are welcome to order! Magnetic soft screen door | Magnetic | Kim magnetic factory good service is provided by a large magnetic Hengdian gold plant. Hengdian Kim Dae-magnetic Factory (www.jjdct.cn) strong, credible, Zhejiang Jinhua electronics, electrical equipment manufacturing industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead the Kim Dae-magnetic factory and you hand into the brilliant, for a better future!