The largest concreting operation with an area of more than 1200 cubic meters and 300 tons of reinforcement was conducted in Dena Petrochemicals with the presence of Dr. Farhad Jahanghiri, the board chairman, Mr. Mohammad Ali Karimian, the CEO of Dena Petrochemicals, and Mr. Esmail Negar, the Sepehr Energy Holding Development and Planning Manager. This operation was done only in twenty-four hours in the “reformer,” “boilers” and “steam drum” sections.