Summary of Conference Call on Optical Communication Sector Industry Overview - The optical communication sector has underperformed compared to popular sectors since the beginning of the year, but there is an optimistic performance trend expected from Q4 2025 to Q1 2026, with demand remaining relatively positive through 2027-2028 [1][1] - The supply side is currently under tension, particularly in components such as isolators, optical chips, DSPs, and other critical parts [1][1] Key Insights and Arguments - The supply capability of leading companies is strong, while second and third-tier companies face greater supply pressures [2][2] - The current supply shortage is accelerating the adoption of new technologies such as silicon photonics and LPO, which can mitigate shortages of core components [2][2] - The PIC segment within silicon photonics is identified as the most valuable part, with leading companies like Xuchuang and Xinyi developing their own PICs, which will reshape the value distribution in the optical module industry [2][2] Elastic Targets in Optical Communication - Four elastic targets in the optical communication sector were identified: - **Dongtian Micro**: Recognized for its isolator segment, which is currently in high demand due to supply shortages exacerbated by Sino-Japanese trade issues [2][2] - **Kechuan Technology**: Focused on the silicon photonics PIC segment, expected to benefit from the rising value of PICs [2][2] - **Huilv Ecology**: An OEM for overseas manufacturers, has achieved significant growth due to capacity and material support amid supply constraints [2][2] - **Zhishang Technology**: Engaged in CPU connection solutions for Nvidia's ecosystem, providing production services [2][2] Performance Logic and Configuration - There is a shift in market focus back to performance metrics, with an emphasis on companies with real earnings and reasonable valuations [3][3] - The optical communication sector is expected to show significant valuation advantages compared to overseas competitors, with strong earnings certainty [4][4] - The upcoming optical communication exhibition in March 2026 is anticipated to showcase next-generation products and facilitate discussions on long-term demand and capacity planning [4][4] Market Dynamics - The appreciation of the RMB is expected to have a manageable negative impact on sector profits, with an anticipated acceleration in customer orders in Q4 [5][5] - Leading companies in the optical communication sector, such as Xinyi, have confirmed no supply chain issues affecting product delivery [6][6] - The core investment logic in the optical communication sector is to prioritize leading companies that exhibit both earnings growth and valuation advantages [7][7] Domestic Computing Power Guidance - Nvidia has temporarily halted the procurement of H200P PCBs, indicating that the company will not release older generation products on a large scale as previously expected [8][8] - The domestic computing hardware supply remains primarily reliant on local graphics cards, with any future Nvidia products expected to be limited in scale [8][8] - The domestic computing sector is projected to follow a development rhythm similar to that of optical modules in 2025, with leading companies gradually delivering computing cards and realizing earnings [8][8] Regulatory and Market Trends - Regulatory bodies and state media are guiding the market back to companies with real earnings and core technologies, which are seen as quality long-term investment choices [10][10]

Core Viewpoint - Tianfu Communication experienced a decline of 4.46% in stock price on January 20, with a trading volume of 5.543 billion yuan, indicating a significant market reaction to recent financial activities [1]. Financing Summary - On January 20, Tianfu Communication had a financing buy amount of 505 million yuan and a financing repayment of 636 million yuan, resulting in a net financing outflow of 131 million yuan [1]. - As of January 20, the total financing and securities lending balance for Tianfu Communication was 5.365 billion yuan, with the financing balance of 5.345 billion yuan accounting for 3.72% of the circulating market value, which is above the 90th percentile of the past year [1]. - In terms of securities lending, 1,700 shares were repaid while 9,400 shares were sold, with a selling amount of 1.7352 million yuan calculated at the closing price [1]. Financial Performance - For the period from January to September 2025, Tianfu Communication achieved an operating income of 3.918 billion yuan, representing a year-on-year growth of 63.63%, and a net profit attributable to shareholders of 1.465 billion yuan, reflecting a 50.07% increase [2]. - Since its A-share listing, Tianfu Communication has distributed a total of 2.172 billion yuan in dividends, with 1.536 billion yuan distributed over the past three years [2]. Shareholder Structure - As of September 30, 2025, Tianfu Communication had 136,400 shareholders, an increase of 7.31% from the previous period, with an average of 5,686 circulating shares per shareholder, a decrease of 6.81% [2]. - The top ten circulating shareholders include Hong Kong Central Clearing Limited, which holds 14.8 million shares, a decrease of 3.17 million shares from the previous period, and several new entrants such as Zhonghang Opportunity Leading Mixed Fund A [3].

Core Viewpoint - The company, Zhao Chi Co., has identified its optical communication business as a third growth curve, with significant advancements in product technology iteration [2] Group 1: Optical Communication Business - The company has achieved stable mass production of low-speed optical modules (200G and below), supported by mature production processes and cost control capabilities, laying a solid foundation for business development [2] - The company is focusing on high-speed optical modules (400G/800G) as a key breakthrough direction, which has successfully entered the sample testing phase with leading domestic customers, and is expected to achieve small batch shipments by the second quarter of 2026 [2] - The company is enhancing supply chain autonomy through vertical integration of "optical chips - optical devices - optical modules" and has initiated the construction of a PCB production line [2] Group 2: Market Expansion and Collaborations - The company has established partnerships with several mainstream domestic customers and is steadily expanding into overseas markets based on existing terminal cooperation [2] - The company's subsidiary, Fengxing Online, has shown strong performance in the AI digital entertainment sector and has formed a deep collaboration with Alibaba Cloud to build a full-link creative ecosystem [2] - The smart terminal business is undergoing a global upgrade strategy, focusing on local supply capabilities [2]

Market Overview - The Shanghai Composite Index closed at 4113.65 points, with a slight decline of 0.01% [1] - The Shenzhen Component Index ended at 14155.63 points, down by 0.97% [1] - The ChiNext Index closed at 3277.98 points, experiencing a drop of 1.79% [1] Trading Volume - The total trading volume for the Shanghai Composite was 12,214.86 billion yuan [1] - The Shenzhen Component recorded a trading volume of 15,561.72 billion yuan [1] - The ChiNext Index had a trading volume of 7,026.80 billion yuan [1] Sector Performance - Sectors such as satellite navigation and commercial aerospace saw declines [1] - New battery technologies and optical communication concepts also experienced downturns [1] - Conversely, sectors including real estate, banking, electricity, and coal showed gains [1] - Phosphate and gold concepts were notably active in the market [1]

Market Overview - The Shanghai Composite Index experienced slight fluctuations, closing down 0.01% at 4113.65 points, while the Shenzhen Component Index fell by 0.97% and the ChiNext Index dropped by 1.79% [1] - Over 3100 stocks in the A-share market were in the red, indicating a broad market decline [1] - The total trading volume across the Shanghai, Shenzhen, and Beijing markets was approximately 2.8 trillion yuan [1] Sector Performance - Sectors such as satellite navigation and commercial aerospace saw declines, while new battery technologies and optical communication concepts also weakened [1] - Conversely, real estate, banking, electricity, and coal sectors showed strength, with active movements in phosphate and gold concepts [1] Market Sentiment and Outlook - Dongguan Securities noted that the recent slowdown in the A-share market's upward momentum is a normal consolidation following excessive short-term trading [1] - Regulatory measures, including adjustments to financing margin ratios, aim to temper excessive speculation, yet the overall macro policy remains accommodative, highlighted by recent structural interest rate cuts by the central bank [1] - Market liquidity remains ample, and the trend of new capital entering the market is unchanged, supporting a stable slow-bull market [1] - As the end of January approaches, the focus will shift towards fundamental performance, with particular attention on companies showing high growth or improving business conditions [1]

Group 1 - The core point of the news is the performance of Dekoli, which saw a decline of 5.01% on January 20, with a stock price of 134.90 yuan per share and a total market capitalization of 21.353 billion yuan [1] - Dekoli is based in Wuxi, Jiangsu Province, and specializes in the research, production, and sales of optical transceiver modules, optical amplifiers, and optical transmission subsystems, primarily used in key national development areas such as communication trunk transmission and 5G [1] - The company's main business revenue composition is as follows: transmission-related products account for 75.33%, access and data-related products for 23.54%, and others for 1.13% [1] Group 2 - From the perspective of major fund holdings, one fund under ICBC Credit Suisse holds Dekoli shares, specifically the Science and Technology Innovation 200 ETF, which held 8,107 shares, representing 1.14% of the fund's net value [2] - The Science and Technology Innovation 200 ETF has a current scale of 86.0961 million yuan and has achieved a return of 16.28% this year, ranking 103 out of 5,542 in its category [2] - The fund manager, He Shun, has been in position for 2 years and 94 days, with the fund's total asset scale at 8.558 billion yuan, achieving a best return of 79.5% and a worst return of 7.61% during his tenure [3]

Core Viewpoint - Dongshan Precision's stock price has experienced a decline of 9.95% year-to-date, with a recent drop of 2.03% on January 20, 2025, indicating potential market concerns regarding its performance and investor sentiment [1]. Financial Performance - For the period from January to September 2025, Dongshan Precision achieved a revenue of 27.071 billion yuan, reflecting a year-on-year growth of 2.28%. The net profit attributable to shareholders was 1.223 billion yuan, showing a year-on-year increase of 14.61% [2]. - Cumulatively, since its A-share listing, the company has distributed a total of 1.544 billion yuan in dividends, with 731 million yuan distributed over the past three years [3]. Shareholder and Market Activity - As of January 9, 2025, the number of shareholders for Dongshan Precision reached 101,400, an increase of 24.12% from the previous period. The average number of circulating shares per person decreased by 19.43% to 13,675 shares [2]. - The major shareholders include Hong Kong Central Clearing Limited, which holds 68.7123 million shares, an increase of 5.2492 million shares from the previous period. New institutional shareholders include Ruiyuan Growth Value Mixed A and Xingquan Helun Mixed A [3]. Stock Performance and Trading Volume - On January 20, 2025, Dongshan Precision's stock traded at 76.23 yuan per share, with a total trading volume of 7.52 billion yuan and a turnover rate of 0.71%. The total market capitalization stood at 139.623 billion yuan [1]. - The stock has shown mixed performance in recent trading periods, with a slight decline of 0.17% over the last five trading days, a gain of 0.81% over the last 20 days, and a notable increase of 10.24% over the last 60 days [1]. Business Overview - Dongshan Precision, established on October 28, 1998, and listed on April 9, 2010, is located in Suzhou, Jiangsu Province. The company specializes in the manufacturing and service of precision sheet metal parts and precision castings, as well as flexible circuit board design, production, and sales [1]. - The main revenue sources for the company include electronic circuit products (65.23%), touch panels and LCD display modules (17.98%), precision components (13.93%), LED display devices (1.69%), and other products (1.17%) [1]. - The company operates within the electronics industry, specifically in the printed circuit board sector, and is involved in various concept sectors such as optical communication, PCB concepts, overseas expansion, 5G, and automotive lightweighting [1].

Core Insights - The recent public fund reports for Q4 2025 indicate a trend of high positions and focused investments in high-growth sectors, particularly in AI and robotics, suggesting intensified competition among public funds in 2026 [1][2] Group 1: Fund Performance and Positioning - Many top-performing equity funds maintain high stock positions, with examples like Changcheng Jiuxiang Mixed A at 94.24%, Huafu New Energy Stock A at 93.31%, and Nuoan Selected Return Mixed at 92.07%, all achieving over 50% net value growth in 2025 [2] - The average stock position for 16 equity funds reached 94.35%, while 67 mixed funds averaged 86.40% [2] Group 2: Strategic Adjustments and Focus Areas - Fund managers are optimistic about structural opportunities in the market, with a clear shift towards reducing holdings in purely theme-based stocks and increasing investments in leading companies with established competitive advantages in AI hardware and applications [3] - For instance, the fund Zhongou Digital Economy Mixed A has added companies like Shenzhen South Circuit and Sunshine Power to its top holdings, reflecting this strategic shift [3] Group 3: Sector-Specific Insights - The focus on AI computing power is highlighted, with fund managers emphasizing its foundational role in AI development and its growing demand due to increasing model capabilities and user engagement [4] - Some funds are also proactively investing in sectors expected to experience a recovery, such as agriculture, with Zhongou Agricultural Industry Mixed A increasing its stock position from 88.84% to 93.44% [4] Group 4: Future Outlook - The fund Changcheng Emerging Industries Mixed A plans to continue focusing on investment opportunities driven by AI, particularly in humanoid robotics, which is seen as a promising long-term investment area [5]

Summary of Conference Call on Optical Communication Industry Industry Overview - The optical communication industry is expected to see continued positive performance in Q4 2025 and Q1 2026, driven by tight supply of upstream components such as isolators, optical chips, and DSPs, which will be reflected in the 2027 quarterly reports, benefiting leading companies with guaranteed supply [1][3] - Supply tightness may accelerate the application of new technologies like silicon photonics, LPO, and NPO to mitigate shortages and meet market demand [1][3] Key Companies to Watch - Recommended small companies include: - **Dongtian Micro**: Focused on isolator products, currently facing high demand due to supply shortages [6] - **Kechuan Technology**: Specializes in silicon photonic chips (PIC), which hold significant value in the supply chain [6] - **Huilv Ecology**: Acts as an overseas foundry and has made breakthroughs in the domestic market [6] - **Zhishang Technology**: Provides CPU connection solutions and is involved in production for Nvidia [6] Market Dynamics - The optical communication sector is characterized by reasonable valuations and strong competitiveness, with many companies expected to report growth rates exceeding 50% in the upcoming 2025 annual performance reports, which will enhance market confidence [1][5] - The overall performance of the optical communication sector is anticipated to improve as market risk appetite shifts towards performance and industry trends [3] Investment Recommendations - Investors should focus on leading companies with strong supply chain security, such as Xinyi Sheng, which has confirmed no supply chain issues and is ramping up production of its 1.6T products [7] - Emphasis should be placed on companies with valuation advantages and high growth expectations [7] Future Outlook - Domestic computing power is projected to achieve a year-on-year growth of 50%, although expectations for Q4 performance should be tempered [10] - The release of the H200 is not expected to significantly impact domestic upstream procurement, with larger companies gradually delivering and achieving performance while smaller firms may struggle [9] Regulatory Environment - The current regulatory environment favors companies with strong performance and core technologies, such as industrial leaders and optical module firms, which are suitable for long-term investment [2][11]

Summary of Conference Call on Optical Communication Industry Industry Overview - The optical communication industry is experiencing significant growth, particularly in the optical module segment, which is expected to maintain high demand in 2026 and 2027. The focus is not only on optical modules but also on related components such as optical chips, lasers, CW light sources, and DSPs [2][9]. Key Components and Market Dynamics - **Power Management**: Power supply is critical in optical modules, requiring high-density power to support components like DSPs. Typical supply voltage is 3.3V, which needs to be stepped down to 1V using DC-DC converters, with each line potentially requiring over 10A [1][3]. - **Analog Front-End (AFE)**: AFE is essential for bias control, with increasing channel counts as speeds rise. Major market players include TI and ADI, with prices exceeding $4 per unit. Domestic company Sanhui Electronics is gaining market share in this area [1][3][4]. - **Laser Driver Chips (LDD) and Transimpedance Amplifiers (TIA)**: These components are crucial for high-speed optical modules, primarily supplied by foreign manufacturers. However, domestic firms are expected to make breakthroughs in this sector [1][3]. - **Temperature Control Chips (TEC)**: TECs are vital for precise temperature control to prevent signal crosstalk, especially in long-distance communication. Shengbang Co. has a strong track record in TEC controllers [1][6]. Market Opportunities - The market for analog chips and related components is projected to exceed $10 billion, with each 800G module valued at nearly $10. This presents a significant opportunity for domestic manufacturers [1][3]. - The internal liquid cooling technology in optical modules is primarily passive, with companies like Zhongshi making significant advancements and entering mass production. Future developments may include more advanced 3D VC forms [2][6][9]. - External liquid cooling solutions are also evolving, with NVIDIA showcasing a fully liquid-cooled system. This requires careful design to accommodate size variations during installation [6][7]. Competitive Landscape - Several domestic companies are positioned well in these segments: - **Shengbang Co.**: Strong in TEC controllers and AFE. - **Sanhui Electronics**: Notable for AFE with increasing core customer share. - **Youxun Co.**: Focused on LDD and TIA, covering major global operators and equipment manufacturers [4][5][9]. - **Creeper and Shenbang**: Potential to break into the DAC chip market, which is currently dominated by ADI's high-priced products [8][10]. Conclusion - The optical communication sector, particularly in optical modules and OCS switches, presents substantial growth opportunities. Domestic manufacturers are well-positioned to capitalize on these trends through customized development and innovation, potentially leading to significant market share expansion [2][10].