The essay says the U.S.–Iran war is not a war on China, but Chinese oil buys, sanctions targets, and disputed dual-use and satellite claims—denied by Beijing and played down by Trump—are testing how far Washington can isolate Tehran.

Both sides want Hormuz open; Wang Yi is quoted as offering to protect Iran’s “legitimate rights” while urging restraint, and Gulf trade is said to cap any Chinese military alliance.

The author’s point is that each Iranian barrel to China and each disputed shipment limits sanctions, so the contest is over who shapes the system, not troops on the same front.

The war between the United States and Iran is increasingly becoming more than a confrontation between Washington and Tehran. A second contest is developing behind it. China is not fighting the United States directly, but its economic, technological and diplomatic links with Iran are complicating Washington’s strategy.

This raises a larger question: Is the Iran war becoming an indirect front in the wider US-China rivalry?

The evidence does not show that Washington is waging a war against Beijing. It does show, however, that the conflict is forcing the two powers into direct competition over energy, sanctions, technology, maritime security and the future balance of power in the Middle East.

China Has Become Iran’s Economic Lifeline

China occupies a special position in Iran’s wartime economy. It is Iran’s largest oil customer and has remained one of Tehran’s most important economic partners despite American sanctions.

Chinese purchases have helped Iran preserve an important source of revenue. Independent Chinese refineries have been particularly important because they are less exposed to the Western financial system than China’s major state-owned oil companies.

Washington has responded by expanding sanctions........

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