ETU is a leading company in research and development of green technologies for reducing emissions of contaminating and greenhouse gases applicable to advanced products such as seals and bearings for oil and gas, and energy industries. ETU i+D and its Seals Business Unit offer three lines of products/solutions for turbomachinery seals: 1. Dry gas seals overhauling (overhauling of ETU or other DGS manufacturers). 2. Substitutive DGS (completely interchangeable with OEM DGS). 3. New designs (intended for new retrofits or new compressors under design).