Two Chinese shipping giants have stopped sending oil tankers through two Middle East chokepoints amid ongoing conflict and are instead collecting oil cargoes outside the Gulf, according to three industry executives, tanker trackers and a ship broker.
State-controlled COSCO Shipping Energy Transportation (600026.SS), opens new tab and China Merchants Energy Shipping (CMES) (601872.SS), opens new tab have kept their tankers out of the Strait of Hormuz and Bab al-Mandeb since late July, according to tanker tracker Vortexa and a ship broker, with security concerns curbing oil shipments to the world's largest importer.
Yemen's Houthis declared a maritime embargo against Saudi Arabia on July 20, while the Strait of Hormuz remains largely closed after a brief U.S.-Iran interim peace deal reached in June fell apart.
The decision by the two shippers to avoid both chokepoints followed communications with central authorities, according to a state oil trading executive and two Chinese shipping executives with direct knowledge of the matter. These sources and others declined to be named due to company policy.
CMES told investors in late July that its vessels would not enter the Strait of Hormuz for the time being. It added that other shippers have avoided Bab al-Mandeb, without mentioning its own policy for the narrow passage at the southern end of the Red Sea, a public filing showed.
The two shippers, which together control more than 100 very large crude carriers (VLCCs) capable of carrying 2 million barrels of oil apiece, handled roughly half of China's crude imports from the Middle East before the Iran war began in late February, according to shipping sources.
Excluding oil from U.S.-sanctioned Iran, China's crude imports from the Middle East, shipped mostly in VLCCs, averaged 4.9 million barrels per day last year according to Chinese customs data. The two state shippers do not transport Iranian oil due to sanctions, according to traders and analysts.
An executive at one of the state shippers said supertanker utilisation has dropped since the Iran war started, with many vessels diverted to longer routes to the Atlantic and the Americas.
"The tankers remain engaged, but (they are) sailing longer voyages, experiencing longer waiting time amid greater uncertainty," the executive said.
COSCO did not respond to a request for comment. CMES did not immediately comment.
Oil-tanker transits through the Strait of Hormuz
Seven-day average of tankers above 10,000 deadweight tonnage
LOADING OUTSIDE THE GULF
Data from ship-tracker Kpler showed a surge in ship-to-ship transfers involving China- and Hong Kong-owned vessels in the Gulf of Oman, with volumes exceeding 600,000 barrels per day (bpd) in June and July.
There was no such activity in April and May and less than 30,000 bpd in each of the first two months of 2026.
"They are avoiding the two straits, but sending vessels to the new STS (ship-to-ship) points outside the Gulf - low risk and good profits," said a second Chinese shipping executive, referring to waters off Omani ports and the United Arab Emirates' Fujairah where in recent months most Gulf crude exports have been shipped and transferred to vessels bound for Asian buyers.
HIGH FREIGHT MARGINS
Daily freight for the Oman-China voyage was assessed last Friday at $140,000, which translates into a per-tanker daily margin of roughly $110,000, said the second executive. Before the Iran war, a VLCC tanker generated $30,000 to $40,000 daily profit on a similar route, the executive added, with the conflict sharply boosting earnings from shipping oil out of the region.
Four COSCO-run supertankers and a fifth operated by CMES loaded oil via ship-to-ship transfers at Fujairah in July, according to Vortexa.
Between August and mid-September, about a dozen supertankers each controlled by COSCO and CMES are slated for loadings outside the Gulf - mostly at Fujairah and at or near Omani ports primarily chartered by Chinese refiners, according to a ship broker.
In a sign of caution, Coslucky Lake, one of the last COSCO tankers to enter the Red Sea to load oil from Saudi Arabia's Yanbu before the Houthis' blockade, changed course in early August and sailed without cargo through the Suez Canal to load Saudi oil from Egypt's Mediterranean port of Sidi Kerir, Kpler tracking shows.
Source: Reuters
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