Pil San Holding – Film Group: The 27th International Oil, Gas, Refining and Petrochemical Exhibition will be held from May 17th to 20th at the permanent location of Tehran International Exhibitions. The executive teams are currently making arrangements and preparing the booths for this event. Ali Forouzandeh, the Director-General of Public Relations at the Ministry of Oil, also visited the exhibition’s preparation process and the press headquarters yesterday afternoon (Sunday, May 14th).