Group 1 - This week, two new stocks will be available for subscription: Zhixin Co., Ltd. on the Shanghai Main Board and Kema Materials on the Beijing Stock Exchange [2] - Last week, five new stocks debuted in the A-share market, with a notable performance from Hengdong, which surged by 878.16% on its first day [2] - Hengdong focuses on the research, development, manufacturing, and sales of passive optical devices in the optical communication field, establishing long-term partnerships with major clients like Google, Amazon, and Microsoft [2] Group 2 - Two companies are undergoing IPO review this week: Chenguang Electric on the Beijing Stock Exchange and Banzhe Chuangke [3] - Chenguang Electric specializes in the research, production, and sales of micro-special motors, primarily used in cleaning appliances like vacuum cleaners [3] - The revenue projections for Chenguang Electric are 495 million yuan for 2022, 712 million yuan for 2023, 827 million yuan for 2024, and 437 million yuan for the first half of 2025, with net profits of 58.27 million yuan, 99.33 million yuan, 78.63 million yuan, and 43.24 million yuan respectively [3][4] Group 3 - As of the end of 2025, the total assets of Chenguang Electric are projected to reach approximately 901.79 million yuan, with total equity of about 503.95 million yuan [4] - The company's revenue for 2024 is expected to be around 826.65 million yuan, with a gross profit margin of 19.73% [4] - The weighted average return on equity is projected to be 8.99% for the first half of 2025, down from 31.09% in 2023 [4] Group 4 - There has been a 57.14% increase in IPO counseling filings, with 22 new companies added [4] - The list of companies undergoing IPO counseling includes various firms across different sectors, indicating a growing interest in public offerings [6]

Investment Rating - The report maintains an "Outperform" rating for the communication industry, consistent with the previous rating [5]. Core Insights - The report highlights that CPO (Co-Packaged Optics) is expected to have significant applications in scale-up networks, addressing transmission bottlenecks associated with copper cables and meeting bandwidth density requirements. It is noted that CPO offers a more favorable total cost of ownership (TCO) and performance/TCO ratio compared to scale-out networks [2][3]. - The report discusses the recent investment by Seagate Technology in Guangcai Xincheng, acquiring a 20% stake for 275 million yuan, indicating confidence in the optical communication sector's market prospects [2][29]. - China Telecom's AI subsidiary successfully completed its first round of financing, attracting major strategic investors, which underscores the recognition of its technological capabilities and growth potential [3][32]. Summary by Sections Market Review - During the week of December 29, 2025, to January 4, 2026, the Shenwan Communication Index fell by 1.41%, while the Shanghai Composite Index rose by 0.13%. The communication sector ranked 23rd among 31 Shenwan primary industries [13]. - Among the communication sub-sectors, communication application value-added services saw the highest increase of 1.41%, while other communication equipment and network devices experienced declines of 0.10% and 2.12%, respectively [16][19]. Industry Dynamics - The SemiAnalysis report elaborates on CPO technology, analyzing its advantages and challenges from multiple perspectives, including TCO, technical principles, marketization, vendor strategies, and supply chain dynamics [23]. - It is emphasized that CPO will not rapidly penetrate scale-out networks in large data centers due to limited cost and power savings. However, it is positioned as the best application scenario for scale-up networks, where it can significantly enhance performance and scalability [24][26]. - Seagate Technology's investment in Guangcai Xincheng is seen as a strategic move to leverage the company's existing capabilities and market position in the optical communication field [29][30]. - The successful financing round for China Telecom's AI subsidiary reflects strong confidence from national and industrial capital in its technological advancements and future growth [32][33].

Summary of Key Points from the Conference Call Industry Focus - The conference call primarily discusses the **communication sector** with a focus on **optical interconnection**, **commercial aerospace**, **edge AI**, **liquid cooling**, and **fiber optic cables** [2][9]. Core Insights and Arguments 1. **Investment Opportunities in Communication Sector**: - Five key areas identified for investment: optical interconnection, commercial aerospace, edge AI, liquid cooling, and fiber optic cables [2]. - Optical interconnection is highlighted due to the increasing demand from North American data centers, with expectations for rapid growth in the demand for new chip models from NVIDIA and Google [2][3]. 2. **Trends in Optical Interconnection**: - The transition from 800G to 1.6T bandwidth is a clear trend, with significant demand growth anticipated, especially in 2027 [3]. - New technologies such as OCS, CPO, and NPO are expected to be commercially available by the end of 2025 to 2026, meeting customer needs [4][5]. 3. **Characteristics of Overseas Supply Chain**: - The overseas supply chain is expanding bandwidth capabilities and accelerating the introduction of new technologies [5]. - Factors driving this include increased demand confidence, the release of various rate products, and the rapid deployment of new technologies [6]. 4. **Market Dynamics for CPO Switches**: - There is some market disagreement regarding the commercial rollout of CPO switches, with delays noted due to industrial complexities [7]. - Despite these delays, the overall trend towards CPO technology remains strong, indicating a high demand for CPU and related high-density interconnection systems [7]. 5. **Growth in Computing Power and Optical Interconnection**: - Significant developments are expected in computing power and optical interconnection in 2026, with domestic internet companies maintaining high investment levels [8]. - The penetration of domestic computing power supernodes is expected to increase, with major companies like Alibaba adopting optical interconnection solutions [8]. 6. **Commercial Aerospace Prospects**: - The commercial aerospace sector is anticipated to enter a golden development period in 2026, driven by advancements in reusable rockets and low-orbit satellite internet launches [9]. 7. **Edge AI Developments**: - The edge AI market is expected to expand with more smartphone manufacturers launching AI-enabled devices, enhancing user engagement [10]. 8. **Liquid Cooling Technology**: - Liquid cooling technology is entering a full liquid cooling era in overseas markets, with increasing penetration rates [10]. - Domestic liquid cooling suppliers are expected to achieve breakthroughs in overseas supply chains and benefit from domestic supernode growth [12]. 9. **Trends in Fiber Optic Cable Industry**: - The fiber optic cable industry is showing signs of improvement, driven by increased AI computing power demand and the release of new applications [13]. - Long-term trends indicate a shift towards high-end applications, which will enhance profit margins for manufacturers [13]. Additional Important Insights - The conference highlights the potential for domestic liquid cooling companies to thrive in both overseas and domestic markets, suggesting a dual catalyst for growth [12]. - The fiber optic cable sector is expected to face challenges from increased demand for specialty fibers in overseas markets, which may impact domestic supply [13]. This summary encapsulates the key points discussed in the conference call, providing a comprehensive overview of the current trends and future opportunities within the communication sector.

Core Viewpoint - The A-share market is experiencing a wave of positive earnings forecasts for 2025, with many companies reporting significant profit increases, attracting attention from both existing and potential investors [1][2]. Group 1: Key Companies and Their Performance - Zijin Mining is highlighted as a key performer, expecting a net profit of 51 to 52 billion yuan for 2025, a year-on-year increase of 189 to 199 million yuan, representing a growth rate of 59.2%, driven by increased production and rising commodity prices [1]. - Luxshare Precision is also performing well, projecting a net profit of 16.518 to 17.186 billion yuan, with a year-on-year growth of 23.59% to 28.59%, attributed to its global strategy and investments in emerging sectors [2]. - Newer companies like Baiaosaitu in the biopharmaceutical sector expect a median net profit growth of 303.57%, benefiting from overseas market expansion and domestic R&D demand [3]. Group 2: Industry Trends and Insights - The earnings growth is concentrated in four main sectors: electronics, non-ferrous metals, biopharmaceuticals, and power equipment, with companies like Guangke Technology and Tianqi Lithium benefiting from technological advancements and market demand [4]. - The overall positive earnings atmosphere is reflected in the statistics, with 32 companies disclosing earnings forecasts, of which 26 expect profit increases, resulting in a forecasted positive ratio of 81.25% [2]. - Companies achieving profit growth are either following industry trends or leveraging technological innovations to explore new markets, indicating a robust growth potential [4]. Group 3: Regulatory Environment and Investor Considerations - Regulatory measures require companies to disclose significant earnings changes, ensuring the accuracy and reliability of the forecasts, with specific rules for different market segments [5]. - Investors are advised to consider the sustainability of profit increases, as some may stem from non-recurring gains, emphasizing the importance of analyzing net profit growth excluding non-recurring items [5]. - The overall earnings forecast trend provides a positive outlook for the market, but investors should conduct comprehensive analyses to avoid potential pitfalls [7].

Group 1 - The North Exchange 50 Index decreased by 1.55% this week, with an average daily trading volume of 19.4 billion, reflecting a 2.8% decrease compared to the previous week [6][11][16] - The new stock, Hengdongguang, listed this week, with a first-day increase of 878.16% and a turnover rate of 53.79% [11][30] - The theme investment remains active, particularly in sectors such as humanoid robots, AI, commercial aerospace, and nuclear fusion, with notable performances from Tianming Technology (+65.8%) and Lifan Holdings (+29.9%) [11][12][13] Group 2 - A total of 40 companies were accepted for public offering this week, with several expected to achieve over 200 million yuan in net profit for 2024 [12][13] - The report highlights the potential for high-quality expansion in the North Exchange in 2026, with attention on companies like Jieli Technology and Xianlin Sanwei [12][13] - The report emphasizes the importance of timing in theme investments, particularly in the context of the upcoming "14th Five-Year Plan" and the spring market [13][14] Group 3 - The report indicates a shift in market style from small-cap stocks to growth sectors, with a focus on technology and cyclical industries for the first half of 2026 [13][14] - The North Exchange's PE (TTM) average is 82.98 times, with a median of 39.74 times, indicating a valuation landscape that investors should consider [4][24][26] - The report notes that the financing balance for margin trading on the North Exchange is 7.985 billion yuan, reflecting ongoing investor engagement [6][30] Group 4 - The new third board saw 8 new listings and 3 delistings this week, with a total of 5960 companies listed [47][49] - The report mentions that the new third board completed financing of 769 million yuan this week, indicating active capital movement [47][52] - The report provides insights into the fundraising plans of various companies, highlighting significant amounts raised in the medical and mechanical sectors [52][53]

Market Performance - As of December 31, 2025, the North Exchange A-shares had a total of 288 stocks with an average market capitalization of 3.019 billion yuan[19] - The North Exchange 50 Index fell by 1.55% during the week of December 29 to December 31, closing at 1,440.43 points[19] - The average daily trading volume for North Exchange A-shares was 19.439 billion yuan, a decrease of 2.74% from the previous week[19] New Stock Listings - The new stock Hengtong Light (stock code: 920045.BJ) was listed on December 31, 2025, with a revenue of 1.625 billion yuan for the first three quarters of 2025, representing a year-on-year growth of 91.38%[3][27] - The net profit attributable to shareholders for Hengtong Light was 224 million yuan, up 123.75% year-on-year[3][27] Investment Insights - The North Exchange's price-to-earnings (PE) ratios as of December 31, 2025, were 45.85 for A-shares, 43.62 for the ChiNext, 13.08 for the Shanghai Main Board, 23.21 for the Shenzhen Main Board, and 75.12 for the Sci-Tech Innovation Board[4][28] - The report suggests focusing on technology sectors such as robotics, AI, commercial aerospace, and smart driving during the "spring market rally" period[4][28] Risks - Potential policy risks may affect investor enthusiasm and market heat[5][29] - Liquidity risks exist due to lower trading volumes compared to other boards like the Sci-Tech Innovation Board and ChiNext[5][29] - Earnings may not meet expectations due to external market changes, impacting stock prices negatively[5][29]

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]

证券研究报告·行业点评报告·通信 通信行业点评报告 2026 年通信投资机会梳理：算力为核，卫星 为翼 2026 年 01 月 04 日 证券分析师 欧子兴 执业证书：S0600525110002 ouzx@dwzq.com.cn -9% 2% 13% 24% 35% 46% 57% 68% 79% 90% 101% 2025/1/3 2025/5/3 2025/8/31 2025/12/29 通信 沪深300 相关研究 《 AI 算力方案多点开花，继续看好 光互联方向》 2025-11-27 《AI 算力跟踪深度（四）：怎么看算力 的天花板和成长性？》 增持（维持） [Table_Tag] [Table_Summary] 投资要点 2025-10-16 东吴证券研究所 1 / 3 请务必阅读正文之后的免责声明部分 行业走势 ◼ 光互联核心受益海外算力与国内算力需求共振。展望 2026 年，海外算 力链将保持景气度向上。北美 CSP 对资本开支保持高投入预期，数据中 心建设热情高涨，以英伟达 GPU 和谷歌 TPU 为代表的算力芯片都在快 速上量，更下一代产品也将在 2026 年开始商用，与之配套的光互联全 ...

Core Insights - The Beijing Stock Exchange (BSE) has achieved significant high-quality development in 2025, with a total of 26 companies listed, raising a total of 7.619 billion yuan [1] - The newly listed companies exhibit a trend of quality improvement, with a notable concentration of "specialized, refined, distinctive, and innovative" small giant enterprises, accounting for nearly 70% of the new listings [1] - The BSE's secondary market remains active, with the North China 50 Index increasing by 38.8% and the specialized index rising by 44.01% [1] Group 1 - The listing of Hengtongguang marks the 26th company to join the BSE in 2025, focusing on passive optical devices in the optical communication sector [1] - A total of 26 companies raised 7.619 billion yuan, indicating a robust fundraising environment [1] - The new listings include 18 specialized small giant enterprises across key sectors such as high-end manufacturing, new materials, TMT, biomedicine, and rail transportation [1] Group 2 - The average first-day stock price increase for new shares exceeds 300%, with some stocks experiencing intraday gains over 1000% [2] - The total funds for individual new shares approached 1 trillion yuan, reflecting strong investor interest in innovative small and medium-sized enterprises [2] - As of December 31, 2025, the total number of listed companies on the BSE reached 288, with a total market capitalization of 869.4 billion yuan [2]

Core Insights - The article highlights the unprecedented opportunities in the optical communication sector, driven by the explosive growth in AI computing power and infrastructure needs [2][4]. Group 1: AI Arms Race and Infrastructure - The competition in AI has evolved from merely acquiring chips to building comprehensive computing and interconnect capabilities [5]. - Major companies like Google and Meta are developing custom ASIC chips and data centers to enhance AI system efficiency [7]. - The essence of this competition is to scale computing power, with optical communication networks serving as the "highway" for connecting computing units [10]. Group 2: Optical Module Market Dynamics - The demand for optical modules is surging due to the exponential increase in data throughput and the need for higher transmission speeds [16]. - The transition from 400G/800G to 1.6T and the anticipated move towards 3.2T in optical module technology reflects the industry's rapid evolution [16]. - Chinese manufacturers are rising in prominence, with seven out of the top ten global optical module companies being Chinese by 2024 [18]. Group 3: Key Players in Optical Communication - Company A (中际旭创) is a global leader in high-speed optical modules, particularly in the 800G and next-generation 1.6T segments, and is closely tied to major AI firms like NVIDIA and Google [19]. - Company B (高意) ranks among the top three globally and is recognized for its differentiated technology in linear drive pluggable optical modules [21]. - Company C (光迅科技) has a vertically integrated business model covering the entire optical communication supply chain, enhancing its risk management and cost control [23]. Group 4: Technological Innovations - Silicon photonics technology is revolutionizing traditional optical modules by integrating multiple optical components into a single silicon chip, leading to significant cost and power savings [31]. - The cost of silicon optical modules is projected to decrease significantly, with the market expected to reach $10.3 billion by 2029, capturing a larger share of the optical module market [34]. - Emerging technologies like Co-Packaged Optics (CPO) and Optical Circuit Switching (OCS) are set to further enhance efficiency and reduce latency in data centers [35]. Group 5: Future Outlook - The article emphasizes that while risks exist, the demand for AI-driven computing and interconnect solutions is expected to remain robust, indicating a prolonged high-growth cycle for optical communication [38]. - Historical trends show that each technological revolution has been preceded by infrastructure upgrades, positioning the optical communication sector at the forefront of the current AI era [42].