China has responded to recent US export controls with its own restrictions, targeting ten American companies involved in defense and rare earth minerals. Beijing also announced a ban on government procurement from 46 US firms, notably including Lockheed Martin and Raytheon. These measures represent a direct retaliation for the US expanding its blacklist of Chinese entities with alleged military ties. The Chinese government framed the actions as necessary to protect its own interests and national security. This escalation marks a deepening of the economic and strategic rivalry between the two nations. Analysts suggest the move could disrupt global supply chains, particularly in the defense sector and for critical rare earth elements. The reciprocal sanctions signal a continued hardening of stance from both sides.