“十四五”期间，我国11个现代海洋城市建设成效显著

Group 1 - During the "14th Five-Year Plan" period, China is constructing 11 modern marine cities, focusing on developing marine industries and fostering new productive forces in the marine sector [1] - Key cities like Shanghai, Shenzhen, and Qingdao are enhancing their core marine functions, while cities like Tianjin, Dalian, and Ningbo are strengthening their marine advantages [1][3] - Shanghai is establishing a research and manufacturing hub for shipbuilding and marine engineering, integrating advanced technologies like AI and digital twin into the design and manufacturing processes [1] Group 2 - As of now, China has built 23 automated container terminals and 29 automated dry bulk terminals, with smart technologies like 5G unmanned trucks being widely applied [4] - The Ningbo-Zhoushan port is the only one in the country implementing a dual-city linkage model for modern marine city development, aiming for a trillion-level green petrochemical industry base [10] - Qingdao Port has become the first "hydrogen + 5G" smart port in the country, with the world's largest fleet of hydrogen-powered trucks and initiatives for clean energy in port operations [6][8] Group 3 - Xiamen Port is expanding its network through sea-rail intermodal transport, creating a seamless international logistics channel that connects inland provinces with maritime routes [12] - The collaboration among various departments at Xiamen Port has effectively reduced logistics costs and improved response times, enhancing regional economic transformation [14]