In 2018 VELESSTROY signed a contract with OJSC Gazprom Neft - Omsk Refinery for the construction of a Delayed Coking Unit (DCU) and a Sulphur Production Unit (SPU). In accordance with the project plan, the DCU will be used to increase the production of light petroleum products and coke for the aluminium industry.
In 2020, the project team completed the construction of the Sulphur Production Unit, a part of the advanced petroleum refining complex. At the moment the Refinery's Delayed Coking Unit is undergoing the commissioning stage.