About SmCo Magnet:

 SmCo Magnet is permanent magnet composed of Sm,Co and other lanthanon.It has high BH,lower temper ture factor and high temperature resistance.The temperature can reach at 350℃ in its appliance.Meanwhile there is strong corrosion-resistance and oxidative stability.So SmCo magnet don't need plating treatment generall and are widely applied 

in motor,meter,sensor,detector,engine,radar and other high-tech areas.