通信行业：2025回顾和展望，2026关注海外光通信、国产算力、商业航天高低切行情

Investment Rating - The communication industry is rated as "Leading the Market - A" and is expected to outperform the benchmark index by over 10% [1][37]. Core Insights - The communication industry showed strong performance in 2025, with a cumulative increase of 84.8%, ranking second among major industry indices. Key segments such as optical modules, liquid cooling, optical fibers, and satellite communications led the market [3][13]. - For 2026, the report highlights three main investment themes: overseas optical communications, domestic computing power, and commercial aerospace, which are expected to present high-low trading opportunities driven by event catalysts [3][13]. - The demand for 800G optical modules is projected to double in 2026, with an estimated requirement of 45 million units, indicating a significant growth trajectory for the optical communication sector [4][14]. - The acceleration of IPOs in the domestic computing power sector is expected to enhance supply capabilities, with notable companies preparing for public offerings, which will likely lead to a revaluation of comparable companies [5][15][16]. - The commercial aerospace sector is gaining attention, particularly with SpaceX's anticipated IPO, which could set a new valuation benchmark for the industry [7][17]. Summary by Sections Industry Dynamics - The communication industry is experiencing a robust market performance, with significant growth in segments like optical modules (357.2%), optical cables (221.4%), and satellite communications (160.2%) in 2025 [3][13]. - The report anticipates that the increase in overseas AI computing orders will continue to drive the optical communication supply chain [3][13]. 2026 Outlook - The report forecasts a clear demand for 800G optical modules, with predictions of 63 million units globally, marking a 2.6 times increase from 2025 [4][14]. - The report emphasizes the importance of CPO (Coherent Photonic Optics) technology in the upcoming years, with expectations of significant market growth and technological advancements [4][14]. Domestic Computing Power - The report notes a rapid acceleration in the IPO rhythm within the domestic computing power industry, with several key players set to enter the market, enhancing the overall supply chain [5][15][16]. - Companies like Wallen Technology and Tianzuo Zhixin are highlighted for their upcoming IPOs, which are expected to significantly boost domestic computing capabilities [5][15][16]. Commercial Aerospace - SpaceX's IPO is projected to reach a valuation of $1.5 trillion, reflecting strong market confidence in the commercial aerospace sector [7][17]. - The report suggests that the IPOs of domestic companies like Blue Arrow Aerospace will create investment opportunities in upstream components [7][17]. Recommended Companies - The report recommends focusing on companies in the Scaleup CPO segment such as Tianfu Communication and Taicheng Technology, as well as domestic supernode companies like Inspur Information and Unisplendour [18].