The move makes it tougher for companies like Nvidia, AMD and Intel to sell existing or new chips to China.
Nvidiathat the new export restrictions will block sales of two high-end artificial intelligence chips it created for the Chinese market - A800 and H800. It said that one of its gaming chips will also be blocked.
The Semiconductor Industry Association, which represents 99% of the US semiconductor industry by revenue, said inthat the new measures are "overly broad" and "risk harming the US semiconductor ecosystem without advancing national security as they encourage overseas customers to look elsewhere". China is by far the biggest player in the global supply chain of gallium and germanium. It produces 80% of the world's gallium and 60% of germanium, according to the Critical Raw Materials Alliance industry body.