HUAXI Securities·2025-07-06 13:53Investment Rating - Industry rating: Recommended [6] Core Insights - The GB300 is expected to start volume production in the second half of the year, with significant advancements in AI performance and capabilities [1][8] - The central government emphasizes high-quality development of the marine economy, with wind power generation rapidly increasing, accounting for over 12% of total power generation [2][10] - There is a strong growth in overseas AI demand, particularly from new enterprises, driving high capital expenditure in AI [3][14] Summary by Sections GB300 Launch - CoreWeave announced the first market delivery of the NVIDIA GB300 NVL72, featuring advanced AI performance with over exaflop capabilities and significant improvements in user response speed and throughput [1][8] Marine Economy Development - The central government is focusing on enhancing the marine economy through policy support and encouraging social capital participation, with wind power generation capacity rapidly increasing [2][10] Investment Recommendations - The report recommends focusing on the AI capital expenditure and related sectors, highlighting the growth potential in the optical module industry and PCB supply chain [3][14] - Specific beneficiary stocks include NewEase, Zhongji Xuchuang, and Tianfu Communication in the optical module sector, and China Telecom, China Mobile, and China Unicom in the telecommunications sector [3][16][17] - The marine economy sector is also highlighted, with companies like Zhongtian Technology and Hengtong Optic-Electric being potential beneficiaries [4][15]