MOSCOW - Chinese Foreign Minister Wang Yi on Thursday urged all concerned parties to the Iranian nuclear talks to made consistent efforts to clinch a comprehensive deal.

As the negotiations come to the final stage with more complicated situation in sight, all related parties should show their patience and determination, Wang said during a trilateral meeting with his Russian and Iranian counterparts, Sergei Lavrov and Mohammad Javad Zarif, in Moscow.

Iran and the P5+1 group, namely Britain, China, France, Russia, the United States, plus Germany, should treasure the hard-earned results of the talks in the Swiss city of Lausanne, and use the Lausanne framework as the basis for new negotiations, Wang said.

There should not be any new demands from any party in the new talks in order to prevent further complication of the issue, the Chinese minister added.

Due attention should be paid to the legitimate concerns of all parties involved and reasonable solutions should be found, he said. Besides, all sides should advance toward the same direction.

He also stressed the need to reach a comprehensive deal as soon as possible, which will be conducive to safeguarding the system of nonproliferation of nuclear weapons as well as the peace and stability in the Middle East.

China, he said, is willing to play an active and constructive role in the process.