NextFin News - Two massive Chinese container ships successfully transited the Strait of Hormuz on Monday, marking the first time non-Iranian commercial vessels have breached the effective blockade of the waterway since the outbreak of the U.S.-Israeli conflict with Iran on February 28. The passage of the "CSCL Indian Ocean" and "CSCL Arctic Ocean," both operated by state-owned China Ocean Shipping (Group) Company (COSCO), signals a fragile opening in a maritime corridor that has been largely paralyzed for over a month.
The successful transit followed a failed attempt last Friday, when the same vessels were forced to turn back after the Iranian Revolutionary Guard reportedly denied them passage. Ship-tracking data from MarineTraffic and Kpler showed the vessels sailing in close formation at elevated speeds as they exited the Persian Gulf into the Gulf of Oman. Chinese Foreign Ministry spokesperson Mao Ning confirmed on Tuesday that three Chinese ships—including a third vessel, the Panama-flagged "Mac Hope"—had transited the strait after "coordination with relevant parties," though she declined to provide specific details on the nature of those negotiations.
The breakthrough comes as COSCO begins to test the waters for a broader resumption of trade. On March 25, the shipping giant issued a client advisory stating it had resumed bookings for general cargo containers from Asia to Gulf destinations, including the United Arab Emirates, Saudi Arabia, and Qatar. However, Rebecca Gerdes, a data analyst at Kpler, noted that the initial failure on Friday underscores that "safe passage cannot be guaranteed" for all, suggesting that China’s success may be a result of its unique diplomatic leverage rather than a general easing of regional tensions.
For Beijing, the stakes of the blockade are existential. Approximately 45% of China’s energy imports transit through the Strait of Hormuz. The disruption has already forced the Chinese government to intervene in domestic fuel markets following one of the sharpest spikes in energy prices in recent years. While Iran’s Foreign Minister Abbas Araghchi previously stated that "friendly nations" including China, Russia, and India would be permitted passage, the reality on the water has been far more volatile, with hundreds of ships and an estimated 20,000 seafarers still stranded within the Gulf.
The maritime industry remains deeply divided on whether to follow COSCO’s lead. While a few Greek-operated tankers, such as the "Marathi" owned by Dynacom, have successfully navigated the strait by switching off AIS transponders and sailing under the cover of night, most global carriers continue to avoid the route due to the risk of floating mines, drones, and missile strikes. The "Marathi," carrying Saudi crude to India, recently reached open waters, but such voyages remain the exception. For the broader market, the successful transit of Chinese state-owned vessels is a significant data point, but it does not yet constitute a restoration of the global energy supply chain.
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