The Director of the "IPC" CJSC Artashes Kirakosyan received the representatives of the Bulgarian «Vaptech» company. The purpose of the latter's visit was to study the possibilities of the increase of the efficiency of the hydraulic units of the «Argel» HPP by the order of the "IPC" CJSC, to evaluate the possible economic result of the intervention possible as a result of the study, as well as the possibilities of the increase of equipment reliability and the prolongation of the working life.