Crazy Rare Earth
Crazy rare earth, Rare Earth Magnet Rare earth is not earth. Rare earth containing lanthanum, cerium are: metal, praseodymium, neodymium, samarium, europium, promethium......" There is oil in the Middle East, China with rare earth." This is Deng Xiaoping\'s southern tour in 1992 when the "logion". However, from 1990 to 2005, exports of rare earth China [...]