Years of neglecting its critical metal supplies is catching up with the United States, as demand for the raw materials needed to build a new green economy that rejects fossil fuels gears up.
Global copper smelting slipped to the lowest levels in at least five years in March as top producer China failed to recover following the Lunar New Year holiday due to supply shortages.
Consultancy CRU previously estimated a total of 100,000 tonnes of annual aluminum production may be cut as a result of the Inner Mongolia restrictions.
Battery-grade lithium carbonate prices started to buck a three-year downturn in the second half of 2020 as electric vehicle demand roared back from the coronavirus outbreak.
The European Union has imposed duties on aluminum products imported from China after an investigation showed that they were being sold at unfairly low prices.