Jensen Huang, co-founder and CEO of Nvidia Corp., speaks during a news conference in Taipei on May 21, 2025. I-hwa Cheng | Afp | Getty ImagesReplacing Nvidia is a tall order. While Chinese competitors are years behind the company's cutting-edge technology, many analysts and insiders warn they are catching up, thanks to U.S. export restrictions.U.S. chip restrictions on the sale of advanced semiconductor technology, especially those used in artificial intelligence, have been rolled out over several years, wi ...