BEIJING -- Iranian Foreign Minister Mohammad Javad Zarif will pay a working visit to China on May 13 at the invitation of State Councilor and Foreign Minister Wang Yi.

"According to my information, Zarif will visit China, Russia and some European countries, during which he will exchange views with relevant parties on the developments of the Iranian nuclear issue. China is one stop of his visit," said Chinese Foreign Ministry spokesperson Geng Shuang Saturday.

Geng said that China is a contracting party to the Joint Comprehensive Plan of Action and follows closely the developments of the Iranian nuclear issue.

"We are willing to maintain communication with Iran and other relevant parties," he said.