February 28, 2017 VESSEL REVIEW: Yuyo Maru – Daizo delivers again Written by Baird Maritime on February 28, 2017. Posted in Harbour Tugs and Operation, Ship World Vessel Reviews, Work Boat World Vessel Reviews. The Daizo Corporation of Japan has delivered the tug Yuyo Maru to the Shoyokisen Corporation, a major Japanese tug operator. Read More