Dana Tehzih Petroab Company (Dantech) is a technological company with the mission of conducting interdisciplinary applied research, designing and manufacturing two-phase vortex pumps (nano-bubble pumps) and related equipment with the aim of using this type of equipment in the water and wastewater industries. , refinery and petrochemical, food industry, mines, factories, agriculture and fisheries. Dantek Group has started its activity based on continuous research and development since 2017 and now it has succeeded in making this advanced generation of two-phase pumps that are capable of gas-liquid combination.