深海科技：深海资源开发潜力巨大，攻防体系建设保障制海权

Investment Rating - The industry investment rating is "Outperform the Market" and is maintained [2] Core Viewpoints - The deep-sea industry is recognized for its vast resource potential and strategic importance, with significant government support anticipated for deep-sea technology development [3][16] - Deep-sea resources, particularly energy and mineral resources, are abundant, with deep-sea areas becoming major contributors to global oil and gas reserves [18][22] - The development of underwater technology and equipment has made significant progress, laying the foundation for deep-sea resource exploitation [35][50] Summary by Sections Section 1: Deep Sea as a Resource and Strategic Area - The deep sea, defined as waters below 200 meters, constitutes about two-thirds of the ocean floor and is rich in biological and mineral diversity [3][10] - China's total marine area is approximately 4.73 million square kilometers, with significant deep-sea regions in the South China Sea and East China Sea [12][16] - The government has prioritized deep-sea technology in its 2025 work report, indicating future policy support for this sector [16][18] Section 2: Civilian Sector - Breakthroughs in Underwater Technology and Resource Development - Underwater technology encompasses exploration, construction, oil and gas extraction, and mineral development, with recent advancements in various equipment [35][50] - The core sensor for deep-sea exploration is sonar, which is essential for environmental monitoring and resource assessment [37][39] - The development of underwater mining technology is progressing, with successful trials and increasing industrialization potential for oil, gas, and mineral resources [59][70] Section 3: Deep-Sea Warfare - Underwater Defense Capabilities - The deep sea offers a large, concealed operational space, making it strategically significant for military operations [74] - The underwater defense system includes both infrastructure and equipment, with a focus on unmanned systems for various military tasks [74][75] - There is an urgent need for China to enhance its underwater defense capabilities, with new technologies and equipment being introduced [74][75]