US-sanctioned Huawei is playing a leading role in finding solutions that can empower China’s AI ambitions without relying on foreign tech. Huawei Technologies unveiled hardware that it claimed could deliver world-class computing power without using Nvidia’s advanced chips, in a breakthrough that could potentially free the supply chokehold that constrains China’s aspirations in artificial intelligence. The Shenzhen-based telecoms equipment giant said it had developed the “world’s most powerful”