<h1>Export controls on advanced chips restrict sales to China, while antitrust scrutiny complicates Nvidia's market access.</h1> U.S. export controls bar Nvidia from exporting its most advanced AI chips to China, limiting market access, while Chinese regulators have opened antitrust scrutiny related to a prior acquisition and-according to reports-banned domestic firms from purchasing a China specific Nvidia chip model, together creating overlapping regulatory constraints on the company's ability to sell and support AI computing products in China.