China and Russia, the influential powers in the SCO, have abandoned their reservations in their relations with Iran in recent years and established a more comprehensive relationship.
Although the Rushdie issue and the Mykonos assassinations created a crisis between Iran and Europe in the past, Europe has chosen diplomacy, and it has a similar tendency today to save the Nuclear Deal.
Iran considers the isolation of Russia by the West due to the Ukraine War as a crucial opportunity to improve relations.