TEHRAN, May 7, YJC - Tehran is hosting the 22nd International, Oil, Gas, Refining and Petrochemical Exhibition.
TEHRAN, Young Journalists Club (YJC) - Representatives of 2500 foreign companies from 37 countries and 1500 Iranian companies are taking part in the expo.
Many of these companies are representatives of a holding or include several companies.
China, Germany, France, Italy, Spain, Turkey, Russia, Japan, the Netherlands, Austria, South Korea and Australia are joining the exhibition.
The exhibition comes first in the Middle East in terms of size and the number of participants and the 5th one in the world.
The event started on Sunday would close on Tuesday.