Group 1 - The central government emphasizes the high-quality development of the marine economy, with the national marine GDP expected to reach 11.18 trillion yuan in 2025, reflecting a year-on-year growth of 5.9% in 2024 [4][11][20] - The marine economy's contribution to the national GDP is projected to be 7.8%, with 15 marine industries achieving a total added value of 4.3733 trillion yuan in 2024, growing by 7.5% [21][22] - The deep-sea technology sector is identified as a key area for development, with significant investments and strategic initiatives aimed at enhancing capabilities in underwater observation, construction, and resource extraction [9][30][31] Group 2 - The report identifies 11 companies within the deep-sea economic industry chain listed on the Beijing Stock Exchange, including Audiwei (ultrasonic underwater ranging sensors), Wantong Hydraulic (hydraulic cylinders for offshore drilling platforms), and Klete (ventilation and air treatment systems) [40] - The marine engineering equipment manufacturing industry in China is experiencing a recovery, with an expected added value of 112.6 billion yuan in 2025, following a growth of 9.1% to 103.2 billion yuan in 2024 [30][33] - The report highlights the increasing market interest in deep-sea technology, with emerging sectors such as deep-sea energy storage and carbon sequestration expected to drive future growth [31][32]