U.S. intelligence has determined that Chinese companies have been in active discussions with Iranian officials about covert arms transfers, plotting to route military equipment through third-party countries in order to disguise the origins of the shipments, according to American officials familiar with the intelligence. The disclosures, first reported as President Donald Trump arrived in Beijing for a high-stakes summit with Chinese President Xi Jinping on May 13, have added a combustible new dimension to an already fraught relationship — and placed renewed scrutiny on the degree to which Beijing is enabling Iran’s ability to wage war against American forces in the Middle East.
What the Intelligence Shows
U.S. intelligence agencies have gathered information indicating that Chinese companies and Iranian officials discussed the possible transfer of arms, though it remains unclear how many weapons, if any, have actually been shipped, or to what extent Chinese government officials formally approved the proposed sales. American officials who spoke about the intelligence did so on condition of anonymity, citing both the sensitivity of the information and the awkward diplomatic timing of Trump’s travel to China.
The New York Times first reported in April that U.S. intelligence agencies had obtained information suggesting China may have transferred man-portable air-defense systems — known as MANPADs — to Iran. Such shoulder-fired missiles are capable of shooting down low-flying aircraft. Intelligence also indicated Beijing was weighing additional arms shipments beyond what had already been discussed. The Defense Intelligence Agency separately assessed that China was also considering whether to provide Tehran with advanced radar systems, according to CBS News reporting in April.
The systems Beijing is preparing to transfer posed an asymmetric threat to low-flying U.S. military aircraft throughout the course of the five-week war and could again if the ceasefire falls apart. For U.S. forces operating across the region, the prospect of Iranian fighters armed with shoulder-fired Chinese anti-aircraft systems represents a direct escalation in the threat environment on the ground.
Routing Through Africa to Hide the Trail
A central feature of the alleged scheme is the use of intermediary nations to obscure the weapons’ Chinese origins. The plan to send arms through other countries shows that Beijing wants to keep the transfers to Iran secret. American officials confirmed that at least one of the third countries identified in the intelligence is located in Africa, though whether any shipment has actually reached that country remains unclear. U.S. intelligence agencies are monitoring possible shipments via third countries, including countries in Africa, according to officials. “We’re tracking a number of deals,” said one U.S. official. “There is definitely some activity.”
Officials briefed on the intelligence have reached different conclusions on whether weapons have already been moved to those transit countries. So far, no Chinese-made weapons appear to have been used directly against American or Israeli forces since the war with Iran intensified in late February. But the intelligence picture suggests the infrastructure for such transfers is being actively assembled.
Beijing’s Official Denials — And Washington’s Skepticism
The Chinese government has consistently rejected the allegations. A spokesperson for the Chinese Embassy in Washington said, “China has never provided weapons to any party to the conflict; the information in question is untrue. As a responsible major country, China consistently fulfills its international obligations.”
American officials, however, remain unconvinced. U.S. officials do not believe the Chinese government has formally approved the efforts, but one official expressed skepticism that Beijing would be unaware of such discussions. “China is at a minimum helping Iran stay afloat in this war and blockade,” said one U.S. official. The involvement of private Chinese defense companies does not, in the assessment of several officials, eliminate the likelihood of state awareness, given the degree of government oversight over China’s defense industrial base.
Trump’s Personal Appeal to Xi — and Xi’s Written Response
The issue of Chinese arms reached the highest levels of the U.S.-China relationship before Trump’s Beijing trip even began. After the initial reporting on the MANPADS intelligence emerged in April, Trump took the unusual step of writing directly to Xi to demand Beijing block any arms transfers to Iran. “I wrote him a letter asking him not to do that, and he wrote me a letter saying, essentially, he’s not doing that,” Trump told Fox Business Network.
Trump indicated further consequences would follow if China crossed that line. Asked about the intelligence before departing for Beijing, Trump said: “If China does that, China will have big problems, OK?” Despite that warning, neither government mentioned China possibly providing arms to Iran in public statements following Trump’s talks with Xi in Beijing. Trump had said on Tuesday before his departure that he planned to have a “long talk” with Xi about the Middle East conflict, and described the Chinese leader as having been “relatively good” on Iran.
China’s Deeper Military Support — Intelligence and Dual-Use Technology
The arms transfer discussions represent only one layer of China’s military support for Iran since the war began in late February. Since the beginning of the war, China has given Iran intelligence and access to a spy satellite that has tracked the positions of U.S. forces in the region. China has also supplied dual-use components that Iran needs to produce drones, missiles and other weaponry.
The satellite support has proven particularly consequential for the targeting of American personnel. U.S. Defense Intelligence Agency officials assessed that the Islamic Revolutionary Guard Corps was actively exploiting satellite datasets to refine missile and drone strike planning. Chinese firms with links to the People’s Liberation Army, such as MizarVision and Jing’an Technology, marketed geospatial intelligence about the positions and movements of U.S. forces in the region.
In March, the United States accused Chinese state-owned company Semiconductor Manufacturing International Corporation of providing chipmaking tools to Iran’s military. The United States-China Economic and Security Review Commission also stated that China’s BeiDou navigation satellite system had been used by Iran to direct attacks across the region.
U.S. Sanctions Chinese Satellite Firms
The Trump administration moved to hold Chinese entities directly accountable in the weeks before the Beijing summit. The U.S. imposed sanctions on three Chinese firms — Meentropy Technology (Hangzhou) Co., The Earth Eye, and Chang Guang Satellite Technology Co. — for providing satellite imagery to Iran, enabling its military strikes on American forces in the Middle East.
“Included in today’s actions are several China-based entities providing satellite imagery to enable Iran’s military strikes against U.S. forces in the Middle East,” Secretary of State Marco Rubio said. “Additionally, we are designating entities and individuals enabling efforts by Iran’s military to secure weapons, as well as raw materials with applications in Iran’s ballistic missile and unmanned aerial vehicle programs.”
Chang Guang Satellite Technology had already faced U.S. sanctions starting in December 2023 for aiding Russian forces, and was later accused by the State Department of supplying satellite imagery to Iran-backed Houthi forces targeting U.S. military assets in the Red Sea. The pattern of behavior, in Washington’s view, is not new — it is an escalating continuum.
The Economics Behind Beijing’s Support
Understanding why Beijing has walked this line requires examining the economic architecture of the China-Iran relationship. China is a major buyer of sanctioned Iranian oil, which Tehran sells to Beijing at below-market rates. China buys approximately 80 percent of the oil Iran exports. That dependency gives Tehran leverage — and Beijing a financial incentive to keep Iran viable as a supplier.
China depends heavily on the oil that usually flows through the Strait of Hormuz. The energy relationship gives China an incentive to show its support for Iran, particularly if it wants tankers headed to its markets to be able to pass through the strait. But the war has essentially cut off shipping through the strait, and a ceasefire reached weeks ago has struggled to restore regular traffic. That has created problems for China. Even as Beijing has sought to preserve its image as a neutral mediator, its economic exposure has pushed it toward quiet support for Tehran.
The Broader Stakes — American Troops in the Crosshairs
The convergence of satellite targeting support, dual-use weapons components, and now potential finished arms sales represents a qualitative escalation in China’s involvement in a conflict where American service members are directly at risk. Treasury Secretary Scott Bessent said in a statement: “While the surviving IRGC leaders are trapped like rats in a sinking ship, the Treasury Department is unrelenting in our Economic Fury campaign. Under President Trump’s decisive leadership, we will continue to act to Keep America Safe and target foreign individuals and companies providing Iran’s military with weapons for use against U.S. forces.”
The State Department was equally direct: “The supply of satellite imagery of U.S. facilities in the Middle East to Iran threatens American and partner personnel. The United States will continue to take action to hold China-based entities accountable for their support to Iran.”
The question that now hangs over the fragile ceasefire — and the results of Trump’s Beijing summit — is whether diplomatic pressure and targeted sanctions will be sufficient to halt the flow of Chinese military assistance to Iran before any of that hardware reaches the battlefield and is used against American forces. Based on the intelligence picture that Washington has assembled, that question remains unanswered.