Iranian Foreign Minister Mohammad Javad Zarif heading a delegation left Tehran for China on Monday, APA reports citing IRNA.
Zarif had earlier visited Finland, Norway, Sweden and France.
He also flew to Biarritz urgently earlier on Sunday to hold talks with French President Emmanuel Macron and Foreign Minister Jean Yves Le Drian to discuss with leaders of the states parties to the Joint Comprehensive Plan of Action on how to salvage the landmark international agreement.