The WREN subsea tensioner is equipped with quick-release nuts and a unique patented seal, ensuring service life under high temperature and high pressure (1500 bar). It uses high-strength corrosion-resistant materials, enhancing the reliability of the equipment for deep-sea operations—enabling fast, efficient, and safe performance. To expand the application range of hydraulic bolt tensioners, WREN provides ultra-high pressure hoses with lengths ranging from 5 to 210 meters, and cable winders are included for extra-long hoses to facilitate use.