• Principle of rickets and health care of NdFeB


    The difference in mineral content in the water, due to the difference in geographical environment. Harmful substances in the water have greatly affected my life and health. Calcium and magnesium salts...

  • About Common permanent magnet materials


    Common permanent magnet materials are AlNiCo, ferrite permanent magnet materials and rare earth permanent magnet materials. Alnico-cobalt alloys have been developed from Al-Ni-Fe alloys. At present, t...