The Chinese Ministry of Commerce said the controls, issued Oct. 9, were part of Beijing's effort to "better safeguard world peace and regional stability."

China tightened export restrictions on rare earth-related items and materials, which are used in high-tech and dual-use products, on Thursday to safeguard national security and…

China has leveraged its control of the sector in trade talks with the U.S. by threatening a disruptive global shortage of the critically-needed minerals.

Beijing announced its first controls on the technology used to mine and process the minerals, citing the potential threat to national security.

After tightening restrictions during the tariff tit-for-tat in April, China has further amped up controls on the minerals, which are essential for the tech and auto industries.…

China tightens export controls on rare earths and related technologies to safeguard national security, impacting global supply chains.

Tightened grip on minerals used in smartphones and fighter jets coincides with tense US-China trade talks

Move is a strategic one ahead of new round of tricky trade talks with the United States.

The Chinese Ministry of Commerce said the controls, issued Oct. 9, were part of Beijing's effort to "better safeguard world peace and regional stability."

Beijing says it will not back down in the face of threats, urging the US to resolve differences through negotiations.

China will not allow the export of rare earth materials for use by foreign militaries under restrictions announced last week.