US sanctions on Iran test China's oil supply lines
China has been the largest purchaser of Iranian crude, but renewed US sanctions and a naval blockade have sharply cut those imports. The US Treasury has warned other nations to sever business ties with Iran or face exclusion from the dollar system. Analysts note Washington is cautious about provoking China, especially ahead of high-level talks.
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Original headline: “China is the biggest buyer of Iran’s oil. Could US sanctions threaten those ties?.” Browse more stories.