US President Donald Trump said he would be "disappointed" if China supplied weapons to Iran, claiming Chinese President Xi Jinping had assured him Beijing would not sell arms to Tehran. His remarks came amid reports that Iran could receive Chinese-made shoulder-fired missiles and renewed scrutiny over foreign military support to Tehran.

China's Commerce Ministry said domestic companies would be prohibited from exporting "dual-use" items to the 10 sanctioned American firms. Dual-use products refer to goods and technologies that can be used for both civilian and military purposes