A visitor to the 21st China Beijing International High-tech Expo looks at a computer chip through the microscope displayed by the state-controlled Tsinghua Unigroup project which has emerged as a national champion for Beijing's semiconductor ambitions in Beijing, China on May 17, 2018. Chips are a top priority in the ruling Communist Party's marathon campaign to end China's reliance on technology from the United States, Japan and other suppliers Beijing sees as potential economic and strategic rivals. If it succeeds, business and political leaders warn that might slow down innovation, disrupt global trade and make the world poorer. (AP Photo/Ng Han Guan, File)
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