China is preparing to tighten its grip on the supply of a group of minerals the global tech industry can't live without.
원문출처 : https://www.cnn.com/2019/06/28/investing/rare-earths-china-trade-war/index.html
원문출처 : https://www.cnn.com/2019/06/28/investing/rare-earths-china-trade-war/index.html