Japan-based Mitsui O.S.K. Lines, (MOL) and Taiwan-based Ta Tong Marine Co. have through their joint venture Ta San Shang Marine Co. Ltd. (TSSM), signed a deal with the Dutch shipbuilder Damen Shipyards for the construction of a new service operation vessel (SOV).As TSSM's second Taiwan-flagged SOV, following Asia's first, the TSS Pioneer, which was delivered in 2022