Industry Overview - The capital market's attention towards the computing power industry chain has increased with the release of Nvidia's GB300, particularly in the optical module (CPO) sector [1] - Optical modules serve as hardware devices that convert electrical signals to optical signals and vice versa, acting as a "translator" between electronic devices and fiber optic networks [1] - CPO (Co-Packaged Optics) technology integrates optical modules' core components with computing chips on the same substrate, reducing signal transmission distance [1][2] Market Dynamics - The optical communication industry consists of upstream raw materials like optical/electrical chips and PCBs, midstream optical devices, and downstream systems targeting telecom operators, cloud service providers, and data center manufacturers [4] - The CPO industry chain has a pyramid structure with uneven technology barriers and value distribution, where silicon photonic chips are crucial for optical conversion efficiency [7] - The market for optical modules is expected to grow significantly, reaching $22.4 billion by 2029, driven by high demand from cloud computing service providers and telecom operators for high-speed data modules [9] Company Analysis 1. **Tianfu Communication** - A leading provider of optical device solutions and advanced packaging services, Tianfu is an official technical partner of Nvidia's CPO switch, with products entering small batch production [16] - Revenue is projected to grow from 873 million yuan in 2020 to 3.252 billion yuan in 2024, with a compound annual growth rate (CAGR) of 38.91% [18] 2. **Taicheng Light** - One of the largest manufacturers of high-density optical connection products, Taicheng focuses on CPO and has seen significant demand for MPO connectors due to data center construction [22] - Revenue is expected to increase from 574 million yuan in 2020 to 1.378 billion yuan in 2024, with a CAGR of 24.49% [24] 3. **Yuanjie Technology** - Specializes in the research, design, production, and sales of optical chips, with products used in fiber access, 4G/5G networks, and data centers [27] - The optical chip market in China is projected to grow from $555 million in 2015 to $2.997 billion by 2026, supported by rapid internet development and new infrastructure demands [31]

Group 1 - CPO concept stocks continue to decline, with Tai Chen Guang (300570) dropping over 8% [1] - Changxin Bochuang (300548) fell more than 7% [1] - Shijia Guangzi decreased by over 6% [1] - Other companies such as Xinyi Sheng (300502), Tianfu Communication (300394), and Zhongji Xuchuang (300308) also experienced declines [1]

Group 1 - The core viewpoint highlights a significant rebound in the optical module sector and AI applications, with notable stock performances from companies like Guangku Technology and Lian Te Technology [1] - The AI application sector is showing active performance, with stocks such as Tuoer Si and Han De Information experiencing gains [1] - The market sentiment for the AI-focused ETF (159363) improved after a three-day decline, indicating a recovery in trading activity with a total transaction volume of 160 million yuan [1] Group 2 - The outlook for the optical module sector suggests a dual increase in performance and valuation, making it a key area for investment focus [3] - Multiple companies in the computing power industry are reporting strong earnings forecasts, reflecting sustained high demand for AI computing power [3] - The A-share computing power industry is viewed as a rare growth sector, with expectations for a shift in valuation systems towards growth stocks as AI commercialization progresses [3] Group 3 - Citic Securities reports that Nvidia's resumption of H20 sales and advancements in next-generation systems are boosting confidence in the domestic AI industry chain [4] - The AI industry chain is expected to accelerate due to supportive policies and ongoing innovations in AI applications [4] - The first ETF tracking the entrepreneurial board AI index is recommended for investment, focusing on core opportunities in AI computing power [4]

Investment Rating - The industry investment rating is "Overweight" as the report anticipates that the interconnection bandwidth demand will experience rapid growth due to the "multiplier effect" [4][90]. Core Insights - The report identifies four major trends in the AI computing interconnection sector: 1. Computing hardware demand is shifting from being anchored to cloud vendors' CapEx to being anchored to the number of tokens processed. 2. The landscape of computing chips is evolving from reliance on GPUs to a coexistence of GPUs and ASICs. 3. Technological iterations are transitioning from product-level upgrades (like optical modules, PCBs, switches, and network cards) to overall upgrades at the network architecture level. 4. The focus of network interconnection upgrades is expanding from Scale Out to Scale Up, enhancing both types of networks and increasing single-chip bandwidth [5][81][85]. Summary by Sections Section 1: Market Trends - The demand for computing power is increasingly linked to the number of tokens processed rather than just cloud vendor capital expenditures [5][81]. - The growth of AI models has led to a significant increase in the demand for high-bandwidth, low-latency interconnections, particularly in the context of large-scale AI training [21][25]. Section 2: Product Innovations - New products like Sora and GB200 are driving demand for multimodal inference, with Sora requiring significantly more inference computing power compared to previous models [27][35]. - The report highlights that the performance of new interconnection technologies, such as GB200, is substantially superior to older models, enhancing overall computational efficiency [75][76]. Section 3: Capital Expenditure Trends - Capital expenditures from major cloud service providers (CSPs) are expected to continue increasing, with a notable shift towards AI computing capabilities [35][37]. - The report estimates that the ratio of NVIDIA's data center revenue from cloud vendors to the capital expenditures of five major cloud vendors has increased from 5% in Q1 2023 to approximately 30% by the second half of 2024 [37][38]. Section 4: Investment Opportunities - The report suggests that various interconnection methods, including optical, copper, and PCB connections, are likely to benefit from the anticipated growth in interconnection demand. Key companies identified include: - Optical interconnection: Zhongji Xuchuang, Xinyi Sheng, Tianfu Communication, Yuanjie Technology, Changguang Huaxin, Changxin Bochuang, Shijia Photon, Zhizhi Technology, Taicheng Light. - Copper interconnection: Zhaolong Interconnection, Zhongji Xuchuang, Hongteng Precision. - PCB: Shenghong Technology, Jingwang Electronics, Hudian Co., Shengyi Technology [4][90].

资金面上看，两市主力资金全天净流出377.02亿元，今日有10个行业主力资金净流入，煤炭行业主力资 金净流入规模居首，该行业今日上涨6.18%，全天净流入资金27.04亿元，其次是食品饮料行业，日涨幅 为1.73%，净流入资金为21.37亿元。 通信行业资金流入榜 | 代码 | 简称 | 今日涨跌幅（%） | 今日换手率（%） | 主力资金流量（万元） | | --- | --- | --- | --- | --- | | 002017 | 东信和平 | 9.99 | 4.61 | 16235.67 | | 300394 | 天孚通信 | 0.73 | 5.15 | 11863.91 | | 300570 | 太辰光 | 11.20 | 17.86 | 10635.20 | | 600487 | 亨通光电 | 1.45 | 2.55 | 10426.07 | | 300921 | 南凌科技 | 6.28 | 24.12 | 7374.47 | | 002104 | 恒宝股份 | 6.25 | 40.34 | 7111.94 | | 301205 | 联特科技 | 1.59 | 17.42 | 6921.29 ...

Group 1: Market Overview - The A-share market showed mixed performance on July 22, with the Shanghai Composite Index in the red while the Shenzhen Component and ChiNext Index were in the green [1] - Market focus remained on concepts related to the Yarlung Tsangpo River Hydropower Station, optical modules, and major infrastructure projects in the western region [2] Group 2: Yarlung Tsangpo River Hydropower Station - Stocks related to the Yarlung Tsangpo River Hydropower Station continued to be active, with nearly 20 stocks hitting the daily limit up [4] - The investment for the Yarlung Tsangpo River Hydropower Station is approximately 1.2 trillion yuan, significantly higher than other major projects like the Three Gorges Project and the Hong Kong-Zhuhai-Macao Bridge [4] Group 3: Company Performance - China Power Construction Corporation (中国电建) saw its stock price reach 6.15 yuan per share, with a total market capitalization of 1059.41 billion yuan [6] - The company reported a new contract amount of 686.699 billion yuan for the first half of 2025, a year-on-year increase of 5.83%, with the energy and power sector contracts increasing by 12.27% [6] Group 4: Stock Performance Highlights - A total of 42 bank stocks were in the red, with Xiamen Bank dropping over 4% and several others declining by more than 2% [8] - The stock of Upwind New Materials (上纬新材) opened high at 47.85 yuan per share and achieved a 20% limit up, marking its 10th consecutive limit up, setting a new record in the A-share market [12]

Group 1 - The A-share copper cable sector experienced significant upward movement, with New Asia Electronics rising over 7% [1] - Zhongfu Circuit increased by more than 5%, indicating strong market interest [1] - Other companies such as Taicheng Light, Huafeng Technology, Ruikeda, and Zhaolong Huitong also saw gains, reflecting a broader trend in the sector [1]

Core Viewpoint - The CPO (Chip-on-Board) sector in the A-share market has experienced a significant surge, driven by strong performance forecasts from leading companies and increasing demand for AI-related technologies [2][3]. Group 1: Market Performance - On July 15, the CPO index rose by 6.44%, with notable stocks like NewEase (300502) hitting the daily limit, and others such as Zhongji Xuchuang (300308) and Tianfu Communication (300394) seeing increases of nearly 17% and 12% respectively [2]. - The overall trading activity in the CPO sector has significantly increased, indicating a bullish sentiment among investors [2]. Group 2: Factors Driving Growth - A leading optical module company's half-year earnings forecast showed a net profit increase of 328% to 385% year-on-year, with a quarter-on-quarter growth of 35% to 67% in Q2, which exceeded market expectations and boosted confidence in the communication sector [3]. - The approval of NVIDIA's H20 chip for sale in China is expected to increase demand for AI servers, which are critical components that rely on optical modules, further driving growth in the CPO sector [3]. Group 3: Industry Outlook - Analysts believe that Chinese optical module manufacturers are well-positioned to benefit from the global AI development boom due to their enhanced technical capabilities and the explosive growth in global data traffic [5]. - The demand for 800G technology has shown unexpected resilience, supported by the strong performance forecasts from leading companies [4]. - The ongoing development of AI applications is expected to create a closed-loop system of model/application and computing power investment, leading to sustained growth in the optical communication and PCB sectors [6]. Group 4: Investment Recommendations - Investment firms suggest that investors consider buying on dips in the CPO and AI sectors, while also being mindful of the inherent volatility [7][8]. - It is recommended to focus on companies with strong technical barriers and customer loyalty, as these firms are likely to outperform in the evolving market landscape [8].

Core Viewpoint - The CPO (Chip Packaging Optical) sector has seen significant gains, driven by strong performance from leading companies and the anticipated benefits from the global AI development boom [2][4][6]. Group 1: Factors Driving CPO Sector Performance - The CPO sector's surge is primarily attributed to a leading optical module company's earnings forecast, which indicates a net profit increase of 328% to 385% year-on-year, with a quarter-on-quarter growth of 35% to 67% in Q2 [4]. - The approval of NVIDIA's H20 chip for sale in China is expected to boost demand for AI servers, which are critical for optical modules, thereby benefiting related companies in the communication sector [4][6]. - The optical module industry's demand expectations have shifted from pessimism to optimism, with the 800G demand showing resilience and strength, corroborated by the strong earnings forecasts from leading companies [5]. Group 2: Future Outlook for Chinese Manufacturers - Chinese optical module companies are poised to benefit from the global explosion in data traffic and the strengthening of their technological capabilities [7]. - The ongoing development of AI applications is expected to enhance the confidence of major players in their computational investments, leading to increased demand for optical communication and PCB sectors [7]. - The demand cycle for optical modules remains, but advancements in new chips and network architectures are likely to improve the growth potential of related companies [7]. Group 3: Investment Recommendations - Investors are advised to consider buying on dips due to the volatility in the optical module and AI sectors, while keeping an eye on the separation between domestic and overseas markets [8][9]. - It is recommended to closely monitor the pace of capacity release, supply chain stability, and competition in technology routes, focusing on leading companies with core technological advantages and customer loyalty [10].

Group 1 - AI computing hardware sector experienced a significant rally, with the ChiNext AI index rising over 6% and approaching historical highs [1][4] - Notable stocks included Xinyi Technology, which hit a 20% limit up, and Zhongji Xuchuang, which surged over 16%, leading the market [1][2] - The ChiNext AI ETF, Huabao (159363), saw a price increase of 7.07%, reaching a historical high in trading volume of 389 million yuan [2][4] Group 2 - The ChiNext AI index has shown a cumulative increase of nearly 45% since the low in April, outperforming other AI indices [4][5] - Xinyi Technology projected a net profit of 3.7 billion to 4.2 billion yuan for the first half of 2025, marking a year-on-year growth of 327.68% to 385.47% [6][7] - Nvidia confirmed the resumption of H20 GPU sales in China, which is expected to benefit domestic optical module leaders and increase demand for high-speed optical products [7][8]