The Commerce Department allows Nvidia to sell H20 AI chips to China despite security concerns, and experts are divided on the U.S. technological advantage.

The chairman of the House Select Committee on China on Friday objected to the resumption of Nvidia H20 AI chip sales to China in a letter to U.S. Commerce Secretary Howard Lutnick.

The episode showed that Huang, 62, is becoming increasingly adept at pulling off a delicate diplomatic dance that is both benefiting his company and helping the world’s biggest economies manage their...