One of the most important issues that all people in the world are in daily contact with is the issue of transportation. Providing the infrastructure of these roads, especially the road infrastructure, increases the general satisfaction of the communities. At Dejpa Oil and Bitumen Refining Company, with a special focus on the quality of bitumen production, we have always created the highest standards for the people of the world. Dejpa is a leading company in the field of producing petroleum products, including bitumen, heavy hydrocarbons, petroleum mulches .Our activities look at the aspects of human health and the environment in an efficient and responsible manner. It is according to the history and background of more than 40 years, we are always growing and creating new values for all the people of the world, which the export of our products to 36 countries of the world is a strong reason for everyone's trust.