According to the data of China Ship News, Dalian COSCO Shipping Engineering Co., Ltd. completed the maintenance project of the passenger ro-ro ship Yongxing Island. As a liner between Yantai and Dalian, the maintenance project of Yongxing Island mainly includes cleaning the filter and exhaust pipe of submarine valves, polishing the nine-story car deck and painting the outer panel. The construction period is five days, so the repair period of Dalian Port will take about five days to complete.

Dalian Port is located in Dalian Bay at the southern tip of Liaodong Peninsula. The port is wide and deep, it is not frozen in winter, and the 10,000-ton cargo ship is unimpeded. Dalian is the terminal of Harbin-Dalian Railway, the economic hinterland of the three northeastern provinces, the gateway to Northeast China and the most important comprehensive foreign trade port in Northeast China.