Tehran and Beijing are in talks about using a barter system to exchange Iranian oil for Chinese goods and services, as US financial sanctions have blocked China from paying at least $20bn for oil imports.
The US sanctions against Iran, which make it extremely difficult to conduct dollar-denominated business, mean that China could owe the oil-rich nation as much as $30bn, according to people familiar with the problem.
They said the unpaid oil bills had built up over the past two years and the governments, which are in early-stage talks, were looking at how to “offset” the debt.
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