Factbox-US-China tensions intensify over tech to Taiwan flashpoints

SHANGHAI (Reuters) – A U.S. lawmaker’s demand for trade curbs on a Chinese memory chipmaker in response to China calling products from Micron Technology a national security risk is the latest escalation of tension between the big powers. The United States and China have been tussling over a range of issues, from Taiwan to technology, drawing their allies into their rivalry and having an impact on companies and trade ties. Following are five recent flashpoints. TECHNOLOGY The United States has targeted Chinese companies across the technology sector, from export controls on semiconductor and art…

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