Nvidia CEO Jensen Huang said Wednesday that China is "not behind" in artificial intelligence, and that Huawei is "one of the most formidable technology companies in the world." Speaking to reporters at a tech conference in Washington, D.C., Huang said China may be "right behind" the U.S. for now, but it's a narrow gap. "We are very close," he said. "Remember this is a long-term, infinite race." Nvidia has become key to the world economy over the past few years as it makes the chips powering the majority of recent advanced AI applications. The company faces growing hurdles in the…