Aiming at the existing relevant problems in cost management for the projects of petrochemical enterprises. this paper includes a large quantity of practical data and summarizes the indicators which influence the cost of projects of petrochemical enterprises into 14 indicators including investment scale. integrated operation. key technologies of production. https://www.alarecre.com/Wizarding-World-Harry-Potter-Scar-and-Glasses-iPhone-13-Pro-MagSafe-Case-p90262/