While it buys most of Iran's oil, Iran is not its main supplier. China still sources from elsewhere. Critically it has also built extensive reserves—and its response to the strait crisis these past 11 weeks has shown just how prepared Beijing is for the energy shock—for now.

President Donald Trump says American aircaft manufacturer Boeing has a deal to sell at least 200 planes to China. Trump told reporters about the sale on Air Force One as he returned from a summit

By Michael Martina, David Brunnstrom, David Lawder and Mei Mei Chu WASHINGTON/BEIJING, May 16 (Reuters) - President Donald Trump's visit to Beijing this week may have produced modest results by the standards of U.

After wrapping up his two-day visit to China, President Trump called the trip "incredible," but while it was big on pageantry, it fell short on concrete agreements. Still, Trump hailed business deals for American companies and farmers while Chinese leader Xi Jinping touted a new era for the stability of China-U.

China and the United States already have strained trade relations, and the countries could grapple with further disruptions.

By Eduardo Baptista BEIJING, May 16 (Reuters) - China's commerce ministry on Saturday described as "preliminary" the tariff, agricultural and aircraft deals agreed during this week's visit by U.S. President Donald Trump.

President Trump's trip to China could bolster economic relations, but failed to deliver a breakthrough deal, some trade and energy experts said.

The secretary of state, who traveled to Beijing while under Chinese sanctions, told NBC News in an interview that China had also reiterated its opposition to Iran developing nuclear weapons.