On November 16, 2017, Director-General of the Department of Arms Control of the Foreign Ministry Wang Qun met in Beijing with Senior Director for Non-Proliferation at the National Security Council Hall of the US. Both sides exchanged views on cooperation in nuclear security between China and the US, non-proliferation issue, the Korean Peninsula nuclear issue, the Iranian nuclear issue, the issue of chemical weapons in Syria, the impact of new science and technology on arms control and non-proliferation and other issues.