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Over the past few years, the Chinese government has implemented a number of policies to tighten its control over the production and export of "rare earths"-a un

Over the past few years, the Chinese government has implemented a number of policies to tighten its control over the production and export of "rare earths"--a u

Rare Earth Elements are a group of 17 metals which have a central role in modern industry, increasingly used in the fields of green technologies, high technolog