Group 1 - The ocean economy is a significant driver of GDP growth, with the national marine production value expected to exceed 10 trillion yuan in 2024, accounting for 7.8% of the GDP, and contributing 11.5% to economic growth [1][8] - The government has highlighted "deep-sea technology" in its reports, indicating its importance alongside commercial aerospace and low-altitude economy, suggesting a rapid development potential in deep-sea equipment and exploration [1][8] - The deep-sea technology sector is identified as a key pillar for building a maritime power, encompassing three main areas: deep-sea materials, deep-sea equipment manufacturing, and deep-sea digital applications [3][17] Group 2 - Various provinces and cities are accelerating the development of marine economy, with policies focusing on high-end, intelligent, and green development, and establishing multi-level industrial systems [2][13] - Shanghai's marine industry development plan (2025-2035) proposes a "3+5+X" industrial system, while Guangdong's regulations emphasize support for eight emerging marine industry clusters [2][14] - The deep-sea materials sector is crucial for deep-sea technology, involving structural and buoyancy materials necessary for the development of marine resources, with a focus on high-performance steel, alloy materials, and composite materials [3][21] Group 3 - The deep-sea equipment sector is essential for supporting deep-sea development, facing challenges from complex underwater environments, with significant growth in China's shipbuilding industry, which saw a 13.8% increase in completed shipbuilding volume in 2024 [4][26] - The deep-sea digitalization and intelligence sector is a vital direction for deep-sea technology development, aiming to create a "digital ocean" that enhances marine decision-making and governance through advanced information technologies [5][17] - The report suggests focusing on marine engineering equipment manufacturing, marine equipment components, and marine observation instruments as key areas for investment [4][26]