2026年通信投资机会梳理：算力为核，卫星为翼

Group 1 - The core viewpoint is that the overseas computing power chain will maintain an upward trend in prosperity, with North American CSPs expected to continue high capital expenditure and enthusiasm for data center construction, supported by rapid scaling of computing chips like NVIDIA GPUs and Google TPUs, and the next generation of products expected to be commercialized by 2026 [1][2] - Domestic internet companies are also maintaining high investment in computing power construction, with the penetration rate of domestic computing supernodes expected to continue to rise, and some supernodes adopting optical interconnection solutions, further releasing demand for optical interconnection [1][2] - The optical interconnection sector is projected to be a high-certainty investment direction for 2026, with the high-end optical module market expected to grow annually, and demand visibility likely to extend further, driving rapid growth in the performance of supply chain companies [2] Group 2 - Key investment opportunities include leading companies that have entered the overseas/domestic computing supply chain, which are expected to benefit from the high growth of the optical interconnection industry, with specific companies suggested for attention such as Zhongji Xuchuang, Xinyi Sheng, Tianfu Communication, Guangxun Technology, and Huagong Technology [2] - The release of demand for high-speed optical modules will bring significant growth in demand for upstream optical chips and devices, with potential supply-demand mismatches expected to enhance the sector's prosperity, suggesting attention to companies like Yuanjie Technology, Shijia Photon, Changguang Huaxin, Yongding Co., and Dekeli [2] - The commercial aerospace sector is entering a rapid development phase, with multiple catalysts expected by 2026, particularly the launch of reusable and large-capacity commercial rockets, which will significantly enhance rocket capacity and facilitate satellite communication development [3] Group 3 - The end-side AI is entering a major tool era, with competition expected to extend from smaller devices to broader consumer-facing tools like smartphones, leading to investment opportunities in end-side AI hardware manufacturers and cloud-edge computing demand [4] - The liquid cooling sector is expected to experience a significant demand release in both overseas and domestic markets, with domestic supernodes entering a golden development period, suggesting attention to companies like Yingweike, Gaolan Co., Shenling Environment, and Kexin Innovation Source [4] - The long-cycle turning point for optical fiber and cable may have been confirmed, with the industry previously in a state of oversupply, but now expected to benefit from increased demand for high-end optical fibers, which could enhance profit levels for manufacturers [6]