Atyrau Oil Refinery is one of the largest factories in oil and gas industry of Kazakhstan. Reconstruction of Atyrau oil refinery capacity is a large-scale investment project, which incorporates the best international experience and unique technological solutions. Modernization of the enterprise is carried out in several stages. Our company has been involved in the reconstruction of plant equipment. All works have been done in full and with significant acceleration. Highly qualified staff of our company participated in pre-commissioning works of mounted complex. Besides, during deliveries and installation of equipment our specialists acted as consultants and ensured strict observance of technical requirements of the project. Increased production volume has been achieved as a result of reconstruction. So, reconstruction of Atyrau Oil Refinery decided the main tasks on improvement quality of oil products and reduction of harmful effects on the environment.