Beijing has shown itself wary of playing a direct mediator role in the conflict, preferring a position where it protects its own economic interests – and plays up its image as a stable power that supports regional peace, in contrast to Washington’s vacillations.

Exerting maximum economic pressure on Tehran would risk blowback from Beijing.

The United States is unveiling new sanctions against Iran today. These measures aim to cripple Iran's economy by targeting its oil sales. China buys most of Iran's oil and…

Treasury chief pushes for 'quiet diplomacy' as Washington avoids provoking Beijing with secondary sanctions