
China bans exports of key materials to U.S. in retaliatory move
China on Tuesday banned exports of gallium, germanium, antimony, and superhard materials to the United States in retaliation to the United States expanding bans on semiconductor technology exports to China. File Photo by Stephen Shaver/UPI | License Photo Dec. 3 (UPI) — China on Tuesday banned exports of key chipmaking materials in a retaliatory move…