The two rival Palestinian factions have failed to heal their political disputes since Hamas fighters expelled Fatah from Gaza in a short war in 2007
In a letter read on Tuesday by China's ambassador to the United States, Qin Gang, at a dinner of the National Committee on US-China Relations in Washington, Xi said China was ready to cooperate with the United States on regional and global issues.
A date has not been announced for the Xi-Biden meeting but a person briefed on the matter said it was expected to be as soon as next week.