Manufacturing of metal structures; manufacturing of metal products for safety and fire protection; manufacturing of metal processing machinery; manufacturing of pumps and vacuum equipment; manufacturing of general parts and components; processing of mechanical parts and parts; undertaking the engineering construction business of the head office; external contracting projects; fire protection technical services; manufacturing of special equipment for oil drilling; sales of special equipment for oil drilling; manufacturing of marine engineering equipment; manufacturing of marine engineering platform equipment. Licensed projects: installation, modification and repair of special equipment; manufacturing of special equipment; construction of construction projects; professional construction operations; construction labor subcontracting; labor dispatch services.