Iranian President Mahmoud Ahmadinejad asked if Tehran was upset by China's vote, he highlighted the strength of ties with a country that buys millions of barrels of Iranian crude each year, had opposed new restrictions for months and together with Russia watered down the package voted on.
"There is no reason to control or weaken the relationship (with China). The main problem is the United States," he told a news conference after visiting the city's flagship World Expo.
"The U.S. administration is abusing power in the (U.N.) Security Council in order to impose its hegemony on other nations," the president said, speaking through a translator.