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International Relations May 13, 2026 4 min read Daily brief · #3 of 45

The Xi-Trump summit — shadow boxing on Iran

The US and China held a high-stakes summit in Beijing on May 13–14, 2026, with the Iran war, global trade, and Taiwan among the primary agenda items. The US-...


What Happened

  • The US and China held a high-stakes summit in Beijing on May 13–14, 2026, with the Iran war, global trade, and Taiwan among the primary agenda items.
  • The US-Israel military campaign against Iran began on February 28, 2026; the conflict has extended far beyond initial projections of four to six weeks, reshaping the summit's dynamics.
  • China declined direct military involvement in the conflict but engaged in active diplomacy, hosting Iran's foreign minister in Beijing shortly before the summit — the first such meeting since hostilities began.
  • Beijing's official position called for "a comprehensive ceasefire of utmost urgency," rejection of resumed hostilities, and restoration of "normal and safe passage" through the Strait of Hormuz.
  • US officials pressed China to use its leverage to persuade Iran to reopen Hormuz; analysts note that Beijing is unlikely to spend political capital to help Washington resolve a crisis it initiated without concrete concessions — likely on Taiwan.
  • China's call for Hormuz passage restoration appears at odds with Iran's own claim of sovereignty over the strait and its plans for a transit "protocol."

Static Topic Bridges

JCPOA and the History of Iran's Nuclear Diplomacy

The Joint Comprehensive Plan of Action (JCPOA), concluded in Vienna in July 2015, was a multilateral agreement between Iran and the P5+1 (US, UK, France, Russia, China, Germany) designed to limit Iran's nuclear programme in exchange for sanctions relief. The United States unilaterally withdrew from the JCPOA in May 2018 under the "maximum pressure" policy, reimposing sanctions and triggering a gradual Iranian rollback of its nuclear commitments. The JCPOA's collapse fundamentally altered the West Asia security architecture and set the stage for subsequent escalation.

  • JCPOA signed: July 14, 2015; UN Security Council endorsed via Resolution 2231.
  • US withdrawal: May 8, 2018; termed "maximum pressure" campaign.
  • Iran began exceeding JCPOA limits (uranium enrichment levels, centrifuge numbers) from 2019 onward.
  • The JCPOA involved six world powers: the P5 (US, UK, France, Russia, China) plus Germany, collectively termed P5+1.

Connection to this news: The collapse of the JCPOA and subsequent escalation of Iran's nuclear programme form the structural backdrop to the current US-Israel military campaign. Restoring a functional nuclear agreement with Iran remains one of the unsettled questions that the Xi-Trump summit must navigate.

US-China Strategic Competition and Multilateral Leverage

The US-China relationship is characterised by deep interdependence alongside systemic rivalry — spanning trade, technology, Taiwan, and global governance. China is Iran's largest trade partner and a key purchaser of Iranian oil, giving Beijing significant economic leverage. However, China's preferred posture is "managed non-alignment" — it avoids direct confrontation with the US while protecting its strategic interests, including energy security and Belt and Road connectivity through Iran.

  • China and the US imposed reciprocal tariffs during the 2018–2020 trade war; tensions resurfaced after 2025.
  • China is a permanent member of the UN Security Council with veto power — critical for any multilateral Iran resolution.
  • Iran is a node on China's Belt and Road Initiative (BRI); Beijing signed a 25-year cooperation agreement with Tehran in 2021.
  • China hosted Iran's FM for talks shortly before the Trump-Xi summit, signalling diplomatic intent.

Connection to this news: China's willingness to press Iran on Hormuz or a ceasefire is contingent on receiving US concessions — most likely on Taiwan, technology restrictions, or tariffs. The summit is therefore "shadow boxing": both sides probing the other's redlines without committing to binding deliverables.

Strait of Hormuz as an Energy Security Chokepoint

The Strait of Hormuz is the world's most critical maritime chokepoint for oil and gas. Its closure or disruption would trigger immediate supply shocks in energy-import-dependent economies. China imports approximately 40–45% of its crude oil from the Middle East, much of it transiting Hormuz. This gives both Beijing and New Delhi a shared interest in the strait's unimpeded operation — a rare alignment of interests that India can leverage diplomatically.

  • ~20% of world oil and significant LNG trade flows through Hormuz daily.
  • China is the world's largest crude oil importer; Middle East suppliers are critical for Beijing.
  • India imports ~85% of its crude; Persian Gulf producers dominate its import basket.
  • US Fifth Fleet is based in Bahrain, overseeing Persian Gulf maritime security.

Connection to this news: China's call for Hormuz normalisation at the summit reflects Beijing's economic self-interest rather than altruism toward Iran — an important distinction for UPSC analysis of multilateral diplomacy.

Key Facts & Data

  • US-Israel strikes on Iran began: February 28, 2026; initial US projection was four to six weeks.
  • Xi-Trump summit venue: Beijing; dates May 13–14, 2026.
  • JCPOA signed July 14, 2015; US withdrew May 8, 2018.
  • China is Iran's largest trading partner and a major buyer of Iranian crude oil.
  • China-Iran 25-year comprehensive cooperation agreement signed March 2021.
  • China's Foreign Ministry position: ceasefire "of utmost urgency"; resume negotiations; restore Hormuz passage.
  • US-China trade war: mutual tariff escalations beginning 2018, renewed post-2025.
  • Any multilateral Iran resolution at UNSC requires China's assent (P5 veto power).
On this page
  1. What Happened
  2. Static Topic Bridges
  3. JCPOA and the History of Iran's Nuclear Diplomacy
  4. US-China Strategic Competition and Multilateral Leverage
  5. Strait of Hormuz as an Energy Security Chokepoint
  6. Key Facts & Data
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