"Clearly there are mutual interests in terms of large energy suppliers and consumers, but there will be stress points, of course, " said Ben Simpfendorfer, co-founder of Silk Road Associates, an investment advisory firm specializing on trade between the Middle East and Far East Asia.
"The presidents agreed that the strong links between China and the U.S. economies have been a great mutual benefit, both in terms of trade and investment, and they were eager to build on that, " one official said.