U.S. intelligence indicates that China is preparing to deliver new air defense systems to Iran within the next few weeks, even as a fragile ceasefire pauses the ongoing conflict. Three sources familiar with recent assessments described the weapons as man-portable air-defense systems, or MANPADS, which can target low-flying aircraft and pose risks to U.S. military operations.

The shipments may route through third countries to obscure their origin, according to the intelligence. This development comes amid a two-week truce between the United States and Iran, announced on April 8 and mediated by Pakistan, which aims to facilitate high-level talks in Islamabad. U.S. Vice President JD Vance and Iranian Foreign Minister Abbas Araghchi attended negotiations there on Saturday.

The ceasefire followed a five-week war that began in February 2026, involving U.S. and Israeli strikes against Iran. Terms include halting hostilities, reopening the Strait of Hormuz, and discussions on sanctions relief and regional de-escalation, though interpretations differ between Washington and Tehran. The strait has seen limited traffic, with only a handful of ships passing daily despite the truce.

Tensions persist, with Israeli airstrikes in Lebanon targeting Hezbollah positions and retaliatory rocket fire reported, actions Israel claims fall outside the U.S.-Iran agreement. Iran has accused the U.S. and Israel of violations, while President Donald Trump criticized Tehran's compliance on Hormuz access.

China helped broker the ceasefire but denies any arms involvement. A Chinese embassy spokesperson in Washington stated, "China has never provided weapons to any party to the conflict; the information in question is untrue." The spokesperson added that Beijing urges de-escalation and rejects U.S. allegations as baseless. Sources suggest China views the systems as defensive and seeks to maintain ties with Iran, a key oil supplier, without direct confrontation.

The potential transfer marks escalation from prior dual-use technology sales by Chinese firms to Iran. Last week, an F-15 fighter jet downed over Iran reportedly fell to a shoulder-fired missile, though its origin remains unclear. Trump plans a visit to Beijing next month to meet President Xi Jinping.

U.S. officials worry Iran uses the pause to rearm via partners like China and Russia, which has shared intelligence with Tehran. Neither the White House nor State Department commented immediately on the intelligence.