China's rare earths dominance in focus after mineral export curbs
China said on Monday it will impose export restrictions on gallium and germanium products used in computer chips and other components to protect national security interests. The decision, widely seen as retaliation for U.S. curbs on sales of technologies to China, raised concerns that China might eventually limit exports of other materials, notably rare earths, whose production China dominates. In 2010, China restricted exports of rare earths to Japan following
