中国和日本的永磁生产状况稀土磁体对于通信、情报等电子机器和医疗装置（核磁共振诊断装置等）的小型化、轻量和高性能化的贡献很大。日本一国的产量（烧结磁体与粘结磁体总计）就占了世界市场的６０％以上，自１９８９年以来５年间的平均增长率高达１２．５％，１９９３... Permanent magnet production in China and Japan Rare earth magnets contribute greatly to the miniaturization, lightweight and high performance of electronic devices such as communications and intelligence, as well as medical devices (nuclear magnetic resonance diagnostic devices). The output of a country in Japan (total of sintered magnets and bonded magnets) accounts for more than 60% of the world market, with an average growth rate of 12.5% ​​in five years since 1989, 1993 ...