Spliethoff Group to Build Seven New Vessels for Charter to UPM 27 August 2019 Two affiliates of Spliethoff Group and UPM enter into a long-term charter agreement covering seven new vessels. Author: Capt. Johnhttps://worldmaritimenews.com/archives/282190/spliethoff-group-to-build-seven-new-vessels-for-charter-to-upm/