Visitors wearing masks look at the ARM-structure server processor Yitian 710, developed by Alibaba's in-house semiconductor unit T-Head, at the Apsara Conference, an annual cloud service technology forum hosted by Alibaba Group, in Hangzhou in east China's Zhejiang province on Oct. 19, 2021. Furious at U.S. efforts that cut off access to technology to make advanced computer chips, China's leaders appear to be struggling to figure out how to retaliate without hurting their own ambitions in telecoms, artificial intelligence and other industries. (Chinatopix via AP, File)