Iran's Foreign Minister Araghchi arrives in China for talks with Chinese Foreign Minister Wang Yi

The transmission channel that matters for desks is energy: China has historically been the dominant buyer of Iranian crude, and any readout touching on enforcement of secondary sanctions, payment channels or the volume of discounted flows is what tends to feed through to tanker markets, freight and insurance costs, and ultimately the Brent-Dubai and light-heavy differentials. The other axis is the nuclear file, since Beijing has previously positioned itself as a broker in multilateral diplomacy, and ministerial contact has sometimes preceded movement in those talks. The follow-ons worth noting are the official readouts, any reference to oil trade or sanctions language, and whether the visit is framed around the nuclear dossier or pure bilateral economics. Absent a concrete deliverable, the signal is diplomatic maintenance rather than escalation or de-escalation.