Core Viewpoint - The article highlights significant advancements in deep-sea exploration and resource development technologies in China during the first half of the year, emphasizing the establishment of a comprehensive testing ground and the launch of new projects and equipment in the deep-sea sector [1] Group 1: Technological Advancements - The National Ocean Comprehensive Test Field (Deep Sea) has commenced operations in Hainan, providing a diverse testing environment from hundreds of meters to over 2000 meters deep, supporting fundamental research and original innovation in deep-sea science [1] - The collaboration between the manta ray robot and the "Jiaolong" submersible in the South China Sea cold spring area marks a transition from "hard mechanical" systems to "flexible intelligent" systems, expanding the application scenarios for deep-sea equipment [1] Group 2: Project Developments - The second phase of the South China Sea "Deep Sea No. 1" gas field project has been put into production, signifying the completion of China's largest offshore gas field [1] - The underwater production system equipment brand "Qinghai" has been launched, laying a solid foundation for the development of an independent and controllable modern industrial chain for deep-water oil and gas equipment [1]