China is concerned about the statement by the Iranian side and is worried about the way in which things are developing.
Recently, there were some developments of the Iranian nuclear issue. We expressed our concern. ... We hope the parties should exercise restraint and not take any actions that lead to further escalation so we can solve the question properly through dialogue and diplomacy.
Cui will exchange views with Iranian and Russian diplomats on Iranian nuclear issue and other issues of common concern.
The visit of Cui aims at stepping up exchanges with all parties concerned in a bid to help resolve the Iranian nuclear issue properly.