Core Viewpoint - The development of the marine economy through technological innovation, particularly in 5G applications, is essential for China's high-quality economic growth and the establishment of a strong marine nation [1][2]. Group 1: 5G and Smart Ocean Initiatives - China Unicom's Qingdao branch has implemented a multi-layered network to support the sustainable development of the marine economy, establishing 11 offshore and 16 coastal 5G base stations, achieving 4/5G coverage in Qingdao's near-sea areas [2][3]. - The integration of 5G with cloud computing, big data, IoT, and AI has led to the creation of various innovative applications in smart marine sectors, including smart ports and marine data analytics [3][4]. Group 2: Marine Ranching and Digital Transformation - The establishment of a 5G-based marine ranch observation network has enabled real-time monitoring of marine environments, enhancing the efficiency and productivity of marine ranching [4][5]. - The project has successfully passed inspections by the Ministry of Agriculture and Rural Affairs, marking a significant milestone for China Unicom's smart ocean initiatives [5]. Group 3: Risk Management and Insurance Innovations - The introduction of temperature index insurance for sea cucumber farming, utilizing underwater robots and AI for precise risk assessment and claims processing, has provided 369 million yuan in risk coverage for local farmers [6]. - This innovative approach has transformed traditional agricultural insurance practices, allowing for more accurate underwriting and claims management [6]. Group 4: Fisheries Safety and Management - The smart ocean management system in Qingdao provides comprehensive data on fishing vessels and operations, enhancing the safety and regulatory oversight of the fishing industry [7][8]. - The "Qingchuan E-code" app facilitates real-time reporting and monitoring of fishing activities, improving safety awareness and operational skills among fishermen [8]. Group 5: Future Directions - China Unicom aims to further integrate technological and industrial innovations to promote the transformation of traditional marine industries, contributing to the construction of a strong marine economy in the new era [8].