Iran Sold China Nearly $6 Billion in Crude During Ceasefire as Rivals Paid Spot Premiums
Beijing's pre-war stockpile of up to 1.5 billion barrels let China draw down reserves while other importers scrambled for alternatives at elevated prices.
During the ceasefire that followed the Iran war, Iran sold nearly $6 billion worth of crude to China, allowing Beijing to begin replenishing whatever it drew down from its strategic petroleum reserve during the conflict. ICE Brent crude front-month was trading at $107.57 per barrel on September 15, a level reflecting the sustained tightness that followed Hormuz's closure. China's position through that period looked markedly different from most other major importers.3
The Strait of Hormuz closure cut off a transit route handling roughly 20% of global petroleum flows. For countries without deep strategic buffers, that meant competing for spot cargoes at elevated prices. China had spent 2025 adding an average of 1.1 million barrels a day to its strategic inventories, pushing the stockpile to roughly 1.4 billion barrels by December of that year, according to Axios. Steve H. Hanke, professor of Applied Economics at Johns Hopkins University, told the Daily Caller News Foundation that China's estimated 1.5 billion barrels in reserve allowed it to weather the disruption. Most estimates cited by Foreign Policy place the figure at roughly 1.3 billion barrels — methodology varies, but the order of magnitude is consistent across sources.3,2
By the time the war broke out, Beijing's stockpile stood well above the roughly 413 million barrels held by the United States and the 263 million held by Japan. Both countries, along with most of Europe, were far more exposed when Persian Gulf supply tightened.3
China's oil imports fell from around 11.6 million barrels per day in 2025 to 7.8 million in May — a drop that would ordinarily signal severe economic stress. It did not, because Beijing was drawing on its reserve rather than buying at war-elevated spot prices. The country is expected to withdraw around 1 million barrels per day from reserves in coming months as it rebuilds import flows and restocks what was consumed.2
Russia reinforced that cushion. Beijing bought more than $367 billion worth of Russian fossil fuels since the start of the Iran war, according to data from the Center for Research on Energy and Clean Air. With Western sanctions pushing Russian crude toward Asian buyers at discounted prices, China locked in supply at rates that further insulated it from the global price spike. Russian President Vladimir Putin visited Beijing on May 19-20 (2026-05-19 to 2026-05-20), his 25th visit to China since he first came to power, as both countries navigated shared pressure from Western markets.1
The energy resilience story extends beyond crude. China's installed renewable capacity has already topped 1.4 terawatts, backed by a supply chain producing over 80% of the world's solar modules and roughly 70% of EV batteries. Nuclear output is on pace to grow almost 6% annually on average through the end of the decade — a rate that has no equivalent in the United States or the European Union, where generation is expected to hold roughly flat over the same period. Each percentage point of domestic low-carbon generation reduces the barrel count China needs to import, lowering its exposure to any future chokepoint event.3
But the durability of this position faces a real test. China's imports dropped sharply during the war, and rebuilding those flows while simultaneously restocking reserves means Beijing will be a large buyer in the market for months. That buying pressure arrives at a moment when the ceasefire has not settled the core questions — nuclear terms, sanctions architecture, rules governing Hormuz passage — that could reignite the conflict. War on the Rocks reported on August 19 (2026-08-19) that talks so far produced pauses but settled almost nothing clearly favorable to U.S. interests.4
The geopolitical read is complicated further by what China is drawing from the war's lessons. Foreign Policy reported on June 16 (2026-06-16) that Beijing is actively cataloguing what worked and what did not as the conflict winds down. A reserve that buys months of import insulation is a validated model.2
The practical question for traders is the pace and price at which China restocks. Aggressive reserve rebuilding from a sub-1.4-billion-barrel base would add sustained demand at a time when Hormuz dynamics remain unresolved and ICE Brent front-month is already above $107. How quickly Beijing moves — and whether ceasefire talks deteriorate before the restocking is complete — is the signal worth tracking in the months ahead.3,4