Chinese telecoms giant Huawei showed off its Ascend chips and system for powering artificial intelligence models at the World AI Conference in Shanghai on July 26, 2025. BEIJING — Less than two weeks after Nvidia CEO Jensen Huang's high-profile visit to Beijing, the U.S. chipmaker was conspicuous by its absence at China's biggest AI event of the year. Despite renewed hopes this month of selling its less advanced H20 chips to China again, Nvidia didn't have a booth at the World AI Conference that opened Satu ...