An estimated 650 companies from 60 countries have gathered at the China International Supply Chain Expo in Beijing.

NVIDIA can start selling its H20 AI GPU to China again after gaining approval to do so from the US government.

Nvidia CEO Jensen Huang described artificial intelligence models from Chinese firms Deepseek, Alibaba and Tencent as "world class" and said AI was "revolutionising" supply chains, at an exhibition in Beijing on Wednesday.

Data center operators in China, which use Nvidia’s H20 chips to crunch data for various AI services, have been struggling to find a local alternative that is as good as the U.S. company’s chips.