The approvals mark a major reversal after April’s sweeping restrictions, imposed by the Trump administration, barred companies from selling certain advanced semiconductors to China. Those rules left Nvidia facing a $4.5 billion inventory write-down, as it had no alternative buyers for its H20 chips.

Washington has been concerned China could use Nvidia’s chips to get a jump on the U.S. in high-tech fields, particularly when it comes to artificial intelligence.