BEIJING, March 17 -- China said on Monday it is ready to make joint efforts with relevant parties to push forward Iran nuclear negotiations in an upcoming new round of talks.

Wang Qun, director general of the Foreign Ministry's arms control and disarmament department, will head a delegation to attend the talks, which will be held by six world powers and Iran from Tuesday to Thursday in Vienna, Ministry spokesman Hong Lei said.

The talks on the Iran nuclear issue are entering an important new stage, Hong told a daily news briefing, noting that key elements of a comprehensive accord will be the main topic during the new talks.

"China urges relevant parties to stick to peaceful talks, adopt an objective and pragmatic attitude, seek common ground while solving differences, and jointly pursue mutual benefits and a win-win outcome," he said.

China stands ready to work with relevant parties to promote peace talks and push forward the peace process of the negotiation on the Iranian nuclear issue, Hong said.