Odense Steel Shipyard was best known for building container ships for its parent group the largest container ship and supply vessel operator in the world since what year?
Maersk: A.P. Moller–Maersk Group (Danish: "A.P. Møller–Mærsk A/S", ] ), also known as Maersk, is a Danish business conglomerate with activities in the transport and logistics and energy sectors. Maersk:  Maersk has been the largest container ship and supply vessel operator in the world since 1996.
i don't know