According to the KCNA (the North Korean press agency), the North Korean Foreign Minister Ri Su Yong (also known as Ri Chol) had a talk with special envoy of the Mongolian president Khaltmaa Battulga, member of the State Great Hural, and his party who paid a courtesy call on him at the Mansudae Assembly Hall Tuesday. Ri Su Yong is the DPRK FM since april 2014. During the first part of the year 2014, he recovered from a severe disease.
In April 2014, talks took place between Ri Ryong Nam, minister of Foreign Trade who doubles as chairman of the DPRK side to the Inter-governmental Committee for Consultation in Economy, Trade, Science and Technology between the DPRK and Mongolia, and Mongolian Minister of Industry and Agriculture Khaltmaa Battulga who is chairman of the Mongolian side to the Committee. Ri Ryong Nam signd already some agreements with the Mongolian side..
According to me the increase of relations between North Korea and Mongolia was promulgated by a group of advisors to the family of Kims (Choe Pu il, Kim Sung Nam, Ri Su Yong).
Ri Chol (on the right side) in a discussion with a Swiss diplomat (source of the picture: Yonhap News)