China's new ambassador to the United States (and a rising star in Beijing) sets out his vision for U.S.-Chinese relations, discusses whether China is a revisionist power, and how it plans to deal with cyber security -- and Japan.

An earlier Xi-Obama summit, writes Qian Liwei, is expected to pave the way for a more positive, mature and predictable Sino-U.S. relations based on mutual respect, reciprocal benefit and win-win co-operation.