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In March, China approved large-scale exports of rare Earth essential for US aerospace.

China has exported large quantities of a rare earth used in chip-making and aerospace to the United States. Customs data showed that in March, tight controls, which caused shortages and record-high prices, could be loosening.

The 60-ton shipment is 50 percent larger than the total yttrium shipped to the U.S. from China since April, when China implemented export controls on several rare earths at the height of the trade war.

While rare earth exports were mostly resumed following a 'trade truce' late last year, the yttrium shipment was largely stuck. This caused shortages and production stops for aerospace and semiconductor companies.

Prices rose by 6,900% over the past 12 months, and several companies affected lobbied Washington for a resolution.

To protect turbines and jet engines from high temperatures, yttrium oxide can be used to make coatings.

Analysts say that the close relationship between aerospace and defense may have been a factor in Beijing's hesitation to allow exports.

Even after the?March?shipment, the yttrium oxychloride exports to the U.S. in the last 12?months have dropped 75% from the previous year.

In March, there were no other shipments of yttrium metals or compounds.

(source: Reuters)