China trade negotiations for months. But Beijing has repeatedly pushed Chinese chip buyers to support domestic suppliers whenever possible. Raffaele Huang _

Beijing has urged local companies to avoid using Nvidia Corp.’s H20 processors, particularly for government-related purposes, complicating the chipmaker’s return to China after the Trump administration reversed an effective US ban on such sales.

China is said to have urged local companies to avoid using Nvidia's (NVDA) H20 processors, particularly for government-related purposes.