A prominent Republican lawmaker heading a China committee said the deal incentivizes Washington to let companies sell Beijing technology that enhances its artificial intelligence capabilities, and a Bloomberg columnist argued it gives China “a leg up the US might come to seriously regret .

President Donald Trump defended a deal he struck with Nvidia CEO Jensen Huang to allow the sale of certain semiconductor chips to China in exchange for the company giving the U.S. government 15 percent of the revenue.

Two major chipmakers in the U.S., Nvidia and AMD, have struck an unusual agreement with the federal government to share some of their revenue from chip sales to China — a deal that experts say raises constitutional questions and may set a concerning new precedent.