Core Insights - The article discusses the advancements and capabilities of manned submersibles in deep-sea exploration, highlighting China's achievements in this field [2][4][8] Group 1: Manned Submersibles - The "Fendouzhe" submersible has successfully conducted deep-sea research, including the collection of valuable biological samples from the Mariana and Yap trenches, with findings published in the journal "Cell" [1][8] - The "Deep Sea Warrior" submersible, with a 95% domestic production rate, is set to conduct deep-sea archaeological work in the South China Sea, having already identified over 100,000 relics from shipwrecks [5][7] - Manned submersibles are equipped with advanced technologies, including a life support system, high-pressure resistant materials, and communication systems that allow for real-time data exchange with research vessels [3][4] Group 2: Deep-Sea Research and Discoveries - Research on deep-sea shrimp has revealed their significant role in the deep-sea ecosystem, acting as both decomposers and prey for larger predators, providing insights into life adaptation in extreme environments [9][10] - The deep-sea environment, characterized by high pressure and low temperatures, poses unique challenges for exploration, necessitating specialized equipment and techniques for sample collection [3][9] - The genetic study of deep-sea shrimp represents the deepest animal genome published to date, contributing valuable data for understanding deep-sea ecosystems [10]

Group 1: Expo Overview - The 2025 Osaka-Kansai Expo will be held from April 13 to October 13, 2025, with the theme "Envisioning a Future Society that Revitalizes" and is expected to attract 28 million visitors from 158 countries and regions [1] - The China Pavilion, covering approximately 3,500 square meters, is one of the largest foreign self-built pavilions at the expo, showcasing advanced technologies and interactive exhibits [2] Group 2: Key Exhibits and Technologies - The "Jiaolong" manned submersible, capable of diving to 7,000 meters, is a highlight of the China Pavilion, offering visitors an immersive deep-sea adventure experience [2] - Nanjing Lopu Co., Ltd. has provided over 10 creative display products for various pavilions, including a 320㎡ Mongolian tent-shaped LED screen for the Osaka Health Pavilion, enhancing visitor engagement through innovative display technology [3][4] - The China Pavilion features lunar soil samples from the Chang'e missions, allowing global audiences to observe the differences between the lunar samples collected from the front and back sides of the moon [5][6] Group 3: Innovations in Health and Transportation - Japan's Osaka University has showcased a mini artificial heart made from iPS cells, which can be applied to patients to help restore heart function [8] - The expo also features a flying car developed by Lift Aircraft and operated by Marubeni Corporation, which faced a safety incident during a demonstration, highlighting the importance of safety in the commercialization of flying cars [9] - Kawasaki Heavy Industries presented the CORLEO, a hydrogen-powered quadruped robot, representing a shift towards low-carbon transportation solutions [9]

Investment Rating - The industry rating is "Outperform the Market" (maintained rating) [1] Core Viewpoints - The report emphasizes the continuous high growth of global defense spending and anticipates a new cycle for military informationization [3] - The introduction of "deep-sea technology" in the 2025 government work report marks a strategic upgrade from technological exploration to industrial application, which is expected to enhance the prosperity of the military-civilian deep-sea industrial chain [4][5] - The deep-sea technology is identified as a core driver for transforming the marine economy from "scale expansion" to "high added value" [5] - The report highlights the need for technological breakthroughs in deep-sea resource development, particularly in the context of China's strategic mineral resource shortages [5] Summary by Sections Industry Overview - The report discusses the strategic importance of deep-sea technology, which encompasses advanced technologies for exploring, developing, and utilizing deep-sea resources [4] - It notes that the global naval powers are accelerating the construction of new underwater combat systems, with significant investments from the U.S. military in deep-sea capabilities [6] Investment Opportunities - The report suggests focusing on the entire deep-sea technology industrial chain, particularly in four core areas: surveying, extraction, transportation, and communication [7] - Specific companies to watch include: - Surveying: Zhongke Xingtou, Weiguang Co., China Marine Defense, Tianhai Defense, Zhongke Haixun, Changying Tong [7] - Resource Extraction: Baotai Co., Baose Co., Western Materials, Fushun Special Steel, Longda Co., Yingliu Co. [7] - Transportation: China Shipbuilding [7] - Information Support: Hailanxin [7] - Equipment Support: AVIC Heavy Machinery, Parker New Materials, Aerospace Technology, Steel Research High-Tech [7]