Washington's new curbs on China's semiconductor industry are fanning fears that Beijing could strike back, as trade tensions between the two largest economies intensify. Beijing's announcement in May last year that it would block some government purchases from Micron after the U.

It military devices in a retaliatory move against the United States for its own curbs on Chinese tech applications on Tuesday.

China announced Tuesday it is banning exports to the United States of gallium, germanium, antimony and other key high-tech materials with potential military applications, as a general principle, lashing back at U.

The move escalates supply chain warfare and comes a day after the Biden administration expanded curbs on the sale of advanced American technology to China.

China bans exports to the US of gallium and other key materials after the US curbs computer chip-related exports