Nvidia chief Jensen Huang praises China's advances in artificial intelligence as he attends the China International Supply Chain Expo. Also on East Asia Tonight: A former US envoy to China dismisses criticisms that Beijing has an upper hand in trade negotiations, while Indonesia reaches a deal with the US to lower tariff rates from 32% to 19%. Also, farmers in Japan are warning of further price hikes ahead amid rice shortage. 00:00 Headlines 01:44 Five-day China International Supply Chain Expo