Core Insights - The "Global Ocean City Competitiveness Index Report (2025)" was released, highlighting London, Singapore, and New York as leaders in global ocean development, with Shanghai and Hong Kong ranking 4th and 6th respectively among Chinese cities [1] - The "Shenzhen-Hong Kong-Guangzhou" cluster from the Guangdong-Hong Kong-Macao Greater Bay Area has been recognized as the top global innovation cluster, indicating potential for collaborative synergies in marine economy [1] Group 1 - The report identifies key cities in the first tier of global ocean cities, with Shenzhen, Guangzhou, and Qingdao positioned as core players in the second tier [1] - Hu Zhenyu, a director at the Sustainable Development and Marine Economy Research Institute, emphasized the significant cooperation potential in green shipping and maritime services among the three cities [1][2] - Hong Kong is recognized as a traditional maritime stronghold, with notable features such as being the fourth arbitration center for the Baltic International Maritime Council and having a robust shipping finance sector [2] Group 2 - Shenzhen's strength lies in industrial implementation, particularly in underwater research and technology applications, which can be leveraged for marine economic development [2] - Guangzhou boasts strong technological capabilities and manufacturing space, especially in shipbuilding, with major companies like Guangzhou Shipyard International contributing to the sector [2] - A proposed collaborative model suggests leveraging Hong Kong's research base, Shenzhen's transformation capabilities, and Guangzhou's manufacturing strengths to create a synergistic marine economy [2]