The company's predecessor was Dalian Port Co., Ltd., which was listed in Hong Kong and Shanghai in 2006 and 2010, respectively. It is the first domestic port listed company with an A+H dual financing platform. On February 9, 2021, Dalian Port Co., Ltd. absorbed Yingkou Port Co., Ltd. and later changed its name to Liaoning Port Co., Ltd. The main business includes: oil/liquid chemical terminals and related logistics business (oil part); container terminal and related logistics business (container part); automobile terminal and related logistics business (automobile part); bulk goods terminal and related logistics business (bulk goods part); passenger roll-ro-loading terminal and related logistics business (bulk goods part); passenger roll-ro-loading terminal and related logistics business (passenger roll-role-loading part) and port value-added and support business (value-added service part).