China-US , Technology Feud Continues , As Beijing Issues Security Warning.br On May 21, China urged owners of sensitive br computer equipment to stop purchasing goods br from the largest chipmaker in the United States.br NBC reports that the news represents an br escalation of an ongoing dispute between the U.S. br and China over technology and security. .br According to China's Cyberspace Administration, br Micron products present "serious network security br risks" that pose a threat to national security. .br Operators of critical information br infrastructure in China should stop br purchasing products from Micron Co, China's Cyberspace Administration, via NBC.br The news comes as the U.S., Europe and Japan br have moved to reduce Chinese access to br advanced chipmaking and other technology.br NBC reports that while China has warned of unspecified br consequences, it has struggled to find a form of retaliation br that doesn't impact its own smartphone producers.br China firmly promotes high-level opening br up to the outside world and, as long as it br complies with Chinese laws and regulations,br welcomes enterprises and various platform br products and services from various br countries to enter the Chinese market, China's Cyberspace Administration, via NBC.br China is investing heavily in accelerating br chip development to reduce Beijing's br reliance on foreign techonology. .br NBC reports that China spends br over $300 billion importing br foreign chips annually.br The ongoing conflict has raised concerns that two br separate spheres of technology could emerge that br would raise costs and slow international innovation. .br The ongoing conflict has raised concerns that two br separate spheres of technology could emerge that br would raise costs and slow international innovation.