Core Insights - The "Deep Sea Intelligence and Win-Win Cooperation" 2025 Guangdong-Hainan (Sanya) Cooperation Development Conference was held in Guangzhou, resulting in the signing of 9 major projects across various sectors including equipment manufacturing, marine energy, biomedicine, low-altitude economy, and financial services [1][2] Group 1: Project Signings - Nine major projects were signed, covering deep-sea and manufacturing industries, international cooperation, and fund investment [1] - Key projects include the establishment of the Nanhai Operation Headquarters for Yunzhou Intelligent Technology, a deep-sea monitoring and observation equipment R&D center, and an international headquarters for Zhiduoxing Technology [1] - Fund investment projects include the establishment of the South China regional headquarters for Maima Technology and the headquarters for Jiangsu Shuhe [1] Group 2: Policy and Economic Advantages - The conference highlighted the unique advantages of Hainan's free trade port policies, such as "zero tariffs" and "processing value-added," which significantly reduce operational costs and enhance profitability for enterprises [1] - The Hainan Provincial Department of Commerce provided an overview of the core policies of Hainan's free trade port, while the Haikou Customs Taxation Department explained the tax arrangements related to the zero-tariff policy [2] - The Sanya Yazhou Bay Science and Technology City Management Bureau promoted investment opportunities in Sanya and the Yazhou Bay Science and Technology City High-tech Zone [2]