KAIYUAN SECURITIES·2025-12-18 13:42Investment Rating - The industry investment rating is "Overweight" (maintained) [1] Core Insights - The report highlights the continuous improvement of Google's AI ecosystem, with the release of TPUv7 Ironwood and Gemini 3 series models, which are expected to drive demand for liquid cooling solutions and enhance market expansion [3][4] - There is a strong demand for TPU, with companies like Anthropic and Meta planning to rent TPU chips from Google, indicating a significant market opportunity [4] - The AI sector is expected to boost the demand for optical fibers and cables, leading to a potential price recovery in this segment [5] - The report emphasizes three core investment themes: "Optical, Liquid Cooling, and Domestic Computing Power," while also highlighting opportunities in satellite and edge AI [6] Summary by Sections Industry Overview - The report indicates a positive outlook for the industry, with a focus on the advancements in AI technology and its implications for related sectors [1] Market Trends - The demand for TPU is increasing, with notable partnerships and rental agreements being established, which will likely enhance ASIC demand [4] - The AI-driven growth is expected to elevate the usage of optical fibers and cables, particularly in data center interconnects and metropolitan area networks [5] Investment Recommendations - Recommended stocks include Invec (leader in liquid cooling solutions), with beneficiaries such as Feilong Co., Dayuan Pump Industry, Lingyun Co., and others in the optical fiber and cable sector [4][5][6]