"The delegations of #China, #Iran, and #Russia met today before the meeting of the Joint Commission of #JCPOA. We compared notes and exchanged views on the way ahead towards full restoration of the nuclear deal. It was a very fruitful meeting," he tweeted.
In another tweet, he wrote, "In-person meeting of the Joint Commission of #JCPOA will start in less than one hour."
HJ/