The vise-tight grip that China wields over the mining and refining of rare minerals, crucial ingredients of today’s most advanced technologies, is about to become even stronger. 中国将进一步强化对稀有矿物开采和冶炼的严格管控，这些稀有矿物是当今最先进技术的关键构成要素。 In a series of steps made in recent…