The United States launches 301 investigation, focusing on the impact on China's mature process chip industry

The Office of the United States Trade Representative (USTR) launched a 301 investigation into China's mature process chip industry on December 23, aiming to examine the impact of China's mature process semiconductors on the U.S. economy. The investigation focuses on China's mature process chip industry (28nm and above) and examines its application in multiple downstream fields.