The 12th issue of CIS Congress of mineral processing engineers took place from 25th to 27th of February 2019 in Moscow. Engineering Dobersek participated once more. The main topic mineral processing as well as the geographical coverage traditionally fit well to the plant engineering company. For this reason Engineering Dobersek already attended the previous issues of the every two years taking place specialist event. It is organised by the well-known Technical University MiSIS. Engineering Dobersek were involved in the lecture series with two presentations about current projects. Further on Engineering Dobersek showed presence with an exhibition stand. The success of the event was also proved by numerous interessting talks with congress participants.