Population growth, especially in the years after the victory of the Islamic Revolution in Iran, has led to an increase in the consumption of agricultural products , This has increased the need for chemical fertilizers. Due to the existence of abundant gas resources and having experienced and specialized forces, The growth of the petrochemical industry has been significant in recent years. so the National Petrochemical Company has decided to expand the petrochemical industry in Iran. . Kermanshah Ammonia and Urea Production Complex has been established to supply the chemical fertilizer required by Kermanshah province and neighboring provinces in the west of the country. The construction of this project, in addition to providing the required chemical fertilizer, has a significant role in creating employment in the region, expanding the technical capacity of the province and improving the knowledge of regional experts . After the imposed war, due to the effects of the war on the economy of Kermanshah province, a number of members of the Kermanshah Chamber of Commerce have examined various ways to improve the economic situation of the province And the need to establish manufacturing plants to expand economic activities was on the agenda. According to the needs of Kermanshah province and neighboring provinces for chemical fertilizers, the construction of a chemical fertilizer production plant was approved. And to achieve this goal, Kermanshah Petrochemical Company was registered in 1996