Alibaba Group Holding, ByteDance and other Chinese tech firms remained keen on Nvidia’s artificial intelligence chips despite regulators in Beijing strongly discouraging them from such purchases, four people with knowledge of procurement discussions said. They wanted reassurance that their orders of Nvidia’s H20 model, which the US firm in July regained permission to sell in China, were being processed, and were closely monitoring Nvidia’s plans for a more powerful chip, tentatively named the...