The secretary of Iran's Supreme National Security Council, Saeed Jalili, held separate meetings with Russian Security Council Secretary Nikolai Patrushev on Monday and Tuesday, Mehr news agency reported.
After the second round of the talks, Jalili told reporters, "We welcome the Russians' proposals for holding negotiations with the aim of cooperation," adding that the two countries can have good cooperation in regard to nuclear energy and nuclear disarmament.
He also said that Iran and Russia have similar views on many regional and international issues, which has paved the way for the enhancement of bilateral cooperation.
Jalili added that the Bushehr nuclear power plant is a symbol of "peaceful cooperation" between Tehran and Moscow.
Patrushev described the talks as fruitful, saying the two countries can increase their cooperation in various spheres.
Patrushev also said that he and Iranian officials explored ways to enhance cooperation in the nuclear sphere.
The issue of the Caspian Sea legal regime was also addressed during the meetings, he added.