Investment Rating - The report maintains an "Outperform" rating for the communication industry, indicating an expected performance exceeding the benchmark index by over 10% [1][40]. Core Insights - Recent performance in AI computing, satellite internet, and liquid cooling sectors has significantly improved, driven by macroeconomic factors such as increased certainty in U.S. interest rate cuts and supportive policies for AI investments [2][13]. - The report highlights a "technology bull" market characterized by a resonance of performance and risk appetite, with expectations for the AI market to maintain a high-level, slight fluctuation trend [2][13]. Summary by Sections Liquid Cooling Industry - The liquid cooling supply chain has gained significant attention, with catalysts including accelerated deployment by overseas CSPs like Microsoft and positive earnings guidance from companies like Vidi and AVC [3][14]. - The report anticipates a shift from conceptual design to performance realization in the liquid cooling market, with expectations for major players like Invec to benefit from capacity overflow from U.S. and Taiwanese manufacturers [3][14]. Domestic Supernodes - The OCP2025 conference highlighted the launch of the SD200 supernode AI server by Inspur, which is expected to be a mainstream choice for deploying large-scale domestic models [4][15]. - The report suggests that the importance of domestic supernodes is currently underestimated, with various standards being developed in parallel, presenting opportunities in PCIe switches and copper connection modules [4][15]. Optical Switching (OCS) Market - Companies like Coherent and Lumentum are optimistic about the OCS market, with expectations for commercial-scale deployments by North American CSPs in 2026 [6][16]. - The report identifies OCS as a key technology for large CSP data center networks, with potential total addressable market (TAM) reaching $2 billion, emphasizing its cost and latency reduction benefits [6][16]. Market Performance - The overall market saw significant gains during the week of August 11-15, 2025, with the ChiNext index rising by 8.58% and the communication index by 7.66% [7][17]. - The liquid cooling sector led the weekly performance with a 36.49% increase, followed by optical modules and equipment manufacturers [7][17]. Recommended Companies - The report recommends focusing on key players in various sectors: - Liquid Cooling: Invec, Kexin Technology, Dingtong Technology, Feirongda, Yidong Electronics, Feilong Co., and Sixuan New Materials [7][17]. - OCS: Guangku Technology, Lingyun Light, Tengjing Technology, Saiwei Electronics, Tianfu Communication, and Changxin Bochuang [7][17]. - Domestic Supernodes: Luxshare Precision, Huiju Technology, Huafeng Technology, Wokel Nuclear Materials, Ruikeda, and AVIC Optoelectronics [7][17]. - Commercial Aerospace: Chaojie Co., Gaohua Technology, Bolite, Sruin New Materials, Xinke Mobile, Shanghai Hanxun, Tongyu Communication, and Electric Science Chips [7][17].