SHANA (Tehran) – The 2nd Exhibition of Technology Management and Increasing Knowledge-based Production in Value Chain of Petroleum Industry dubbed Petro Tech opens concurrent with the Research Week in the presence of Vahid-Reza Zeidifard, the deputy oil minister for engineering, research and technology, Mohsen Khojastehmehr, the National Iranian Oil Company (NIOC) managing director, Majid Chegeni, the National Iranian Gas Company (NIGC) managing director, Morteza Shahmirzaei, the National Petrochemical Company (NPC) managing director, and a number of senior managers at the Research Institute of Petroleum Industry (RIPI) in Tehran on December 19, 2023.