Alnico Magnet

Alnico magnets are a family of alloys whose major constituents are iron,aluminum, nickel ,cobalt. And copper and titanium may be included in minor amounts. Grades of Alnico vary in cobalt content , which ranges from zero (Alnico 3) to more than 40% (Alnico 8).

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Neodymium Magnet

Neodymium-iron-boron (Nd-Fe-B) magnets are the most powerful commercialized permanent magnets available today, with maximum energy product ranging from 26 MGOe to 52 MGOe. Nd-Fe-B is the third generation of permanent magnet developed in the 1980s.

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Samarium Cobalt Magnet

Samarium cobalt magnet, is a type of rare earth magnet, is a strong permanent magnet made of an alloy of samarium and cobalt. Samarium cobalt magnet was developed in the early of 1970s

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FeCrCo Magnet

FeCrCo Magnets are composed of Iron, Chromium and Cobalt. Raw Materials are vacuum melt to alloy ingot, then alloy ingots can be machined by hot rolling,cold rolling and all machining methods of dilling, turning,boring etc to shape the FeCrCo Magnets.

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Sinda Magnetics Co.,Ltd, is a supplier of permanent magnets in Ningbo,China. Our company developed from a small manufacturer of Alnico Magnets, and now we have become a comprehensive magnetic solution supplier, our products have covered most of permanent magnetic materials and magnetic devices.
In 2001,SD Magnetics was founded as a very small manufactory of Cast Alnico Magnets in Ningbo. There was only 10 people in that factory. In 2002, SD Magnetics obtain ISO9001 certificated. In 2003,SD Magnetics’ annual sales volume was over USD1.5M and started to produce sintered Alnico Magnet. During 2003~2007, SD cooperated with some factories in Ningbo and Shanghai to develop FeCrCo, Neodymium and some other magnetic materials. In 2008, SD Magnetics has been one factory can produce most of the magnetic materials incl. Alnico, Neodymium, FeCrCo, SmCo , and on anther hand, the Finance Crisis in 2008 made our business down, because our market focused in Mainland of China before 2008. We built our international business team in that year. In 2010, We established Sinda Magnetic Technology (HK) Ltd for our international business.

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