The central Chinese city of Zhengzhou, home of Apple Inc.’s largest manufacturing site, is lifting a lockdown on its main urban areas after five days. As of Nov. 30, Zhengzhou will remove so-called mobility controls -- a euphemism for lockdown -- and replace them with normal Covid-combating measures, according to a post on the local government’s official WeChat account. Businesses will be allowed to resume operations in an orderly manner, and people outside of designated high-risk areas can skip Covid tests as long as they don’t leave home. The announcement came hours after Chinese officials vowed to avoid excessive restrictions...