18 March 2026 | 9:38PM HKT Equity Research Eoptolink (300502.SZ): 800G/ 1.6T ramp up on high-speed transmission; 12.8T XPO showcased in OFC; Buy We are positive on Eoptolink's 800G/ 1.6T optical transceivers shipment ramp-up in 2026E/ 27E, along with rising contribution from in-house and Silicon Photonics transceivers, supported by capacity expansion. During OFC 2026, the company released the 12.8T XPO product, which is the next generation of pluggable transceiver to achieve clients' requirements on the net ...

Summary of Innolight (300308.SZ) FY25/4Q25 Preliminary Results Company Overview - **Company**: Innolight (300308.SZ) - **Market Capitalization**: Rmb593.34 billion (approximately US$86.52 billion) [2] Financial Performance - **Revenue Growth**: FY25 preliminary revenue increased by 60% year-over-year (YoY) to Rmb38.2 billion [1][3] - **Net Profit Growth**: FY25 preliminary net profit rose by 109% YoY to Rmb10.8 billion, aligning with the mid-point of prior guidance [1] - **Optical Transceiver Business**: Excluding the impact of Employee Stock Ownership Plan (ESOP), the optical transceiver segment achieved a net profit of Rmb11.986 billion, up 112% YoY, also in line with guidance [1] Key Focus Areas for Upcoming Report - **Report Release Date**: The full FY25 report is scheduled for release on March 30, 2026, after market close [1] - **Key Focus Areas**: - Margins - Future outlook - Progress on 1.6T and 3.2T product ramps - Development of new optical technologies, including LPO (Low Power Optical), NPO (Next-Generation Optical), and CPO (Coherent Optical) content [1] Analyst Insights - **Citi's Take**: The preliminary results are in line with expectations, indicating strong operational performance and growth in the optical transceiver market [1] Risks and Ratings - **Rating Status**: Currently, the rating for Innolight is suspended [4] - **Investment Banking Relationship**: Citigroup is advising Terahop on a pending M&A transaction involving Zhongji Innolight and expects to receive compensation for investment banking services from Innolight within the next three months [9] Additional Information - **Analyst Contacts**: Kyna Wong, Karen Huang, and Kevin Chen from Citi Research are the primary analysts covering Innolight [3] - **Important Disclosures**: Citigroup has received compensation for services other than investment banking from Innolight in the past 12 months [10][11] This summary encapsulates the key financial metrics, future outlook, and analyst insights regarding Innolight's performance and strategic direction.

Action | 23 Feb 2026 20:55:34 ET │ 11 pages Innolight (300308.SZ) Rating Suspended | Price (13 Feb 26 15:00) | Rmb531.000 | | --- | --- | | Target price | - | | from - | | | Expected share price | - | | return | | | Expected dividend yield | - | | Expected total return | - | | Market Cap | Rmb590,004M | | | US$85,401M | Kyna WongAC +852-2868-7820 kyna.wong@citi.com | Earnings Summary | | | | | | | | | --- | --- | --- | --- | --- | --- | --- | --- | | Year to | Net Profit | Diluted EPS | EPS growth | P/E | P ...

Investment Rating - The report maintains a BUY rating on Innolight with a target price of RMB707, indicating a potential upside of 26.3% from the current price of RMB560 [3][7]. Core Insights - Innolight's share price has shown volatility due to market concerns regarding NPO/CPO adoption and upstream suppliers' capacity expansion, but the core investment theme remains that pluggable modules will dominate hyperscaler deployments through 2026-27E [1][7]. - The company is positioned as a key supplier of 1.6T pluggable modules, with expected shipment acceleration through 2026-2027, supported by strong demand for high-speed modules [7]. - Recent earnings from upstream suppliers like Lumentum and Coherent indicate a robust demand-driven industry backdrop, with significant capacity expansions underway [7]. Financial Summary - Revenue projections show substantial growth from RMB10,718 million in FY23A to RMB112,154 million in FY27E, with a YoY growth rate peaking at 122.6% in FY24A [2][11]. - Net profit is expected to increase from RMB2,174 million in FY23A to RMB38,357 million in FY27E, reflecting a remarkable YoY growth of 137.9% in FY24A [2][11]. - The gross margin is projected to improve from 33.0% in FY23A to 46.3% in FY27E, indicating a positive trend in profitability [2][11]. Market Position and Performance - Innolight's market capitalization stands at RMB622,216 million, with a significant average turnover of RMB18,922.1 million over the past three months [4]. - The company's share performance over the last month has been -8.2%, while it has seen a remarkable increase of 168.7% over the past six months [6]. - The shareholding structure shows that Shandong Zhongji Investment holds 10.9% and Wang Weixiu holds 6.3% of the shares, indicating a concentrated ownership [5].

Summary of Innolight FY25/4Q25 Earnings Call Company Overview - **Company**: Innolight (300308.SZ) - **Market Cap**: Rmb721,116 million (US$103,732 million) [2] Key Financial Guidance - **FY25 Net Profit Guidance**: Rmb9,800-11,800 million, representing a year-over-year increase of 89.5-128.2% [1][4] - **Recurring Net Profit**: Expected to reach Rmb9,700-11,700 million, up 91.4-130.8% YoY [1] - **Optical Transceiver Business**: Net profit projected at Rmb10,800-13,100 million, an increase of 90.8-131.4% YoY [1] Financial Impacts - **ESOP/SBC Costs**: Rmb223 million [1] - **Impairment Losses**: Rmb113 million for inventory and credit bad debt [1] - **FX Loss**: Rmb270 million, partially offset by investment income and fair value changes of Rmb296 million [1] 4Q25 Performance Highlights - **Revenue Growth**: Up over 30% quarter-over-quarter (QoQ) [4] - **Gross Margin (GM)**: Increased by less than 2 percentage points QoQ [4] - **Gross Profit (GP)**: Up 35% QoQ, driven by product mix improvement and SiPh contribution exceeding 50% [4] - **Overall Expenses**: Increased by 55-60% QoQ, leading to a net profit increase of less than 20% QoQ [4] - **FX Loss**: Less than Rmb200 million recognized in 4Q25 [4] Business Update - **Demand and Orders**: Remain robust, with 800G shipments continuing to grow QoQ and 1.6T shipments ramping up rapidly since 3Q25 [4] - **Order Visibility**: Extends up to 4Q26, with some customers considering 2027 orders [4] - **1.6T Shipment Expectations**: Anticipated to scale significantly larger in 2H25, with rapid QoQ growth expected in 1Q26 [4] Supply Chain and Market Dynamics - **Supply Tightness**: Despite upstream supply tightness, the company has secured sufficient upstream supply capacity [4] - **SiPh Contribution**: Expected to continue increasing in 800G/1.6T shipments [4] - **ASP Trends**: Price erosion expected for optical transceiver modules as part of normal industry practice [4] Scale-Up Opportunities - **Customized Products**: Key customers are approaching Innolight for scale-up design products, with progress expected in 2026 and deployment in 2027 [4] - **CSP Preference**: Customers show preference for NPO and pluggable optics for scale-up [4] Research and Development - **CPO Development**: Customers are focusing on pluggable optical transceivers like 800G/1.6T for 2026-27, with R&D on CPO ongoing but not expected to ramp up quickly [4] - **3.2T Optical Transceiver**: Currently under R&D, with no sampling or evaluation yet; mainstream products for 2026-27 remain 1.6T/800G [4] Conclusion - Innolight is positioned for significant growth in FY25, driven by strong demand for optical transceivers and a robust supply chain. The company is focusing on scaling up production and developing new products to meet customer needs in the evolving market landscape.

Summary of Zhongji Innolight (A) Conference Call Company Overview - **Company**: Zhongji Innolight - **Sector**: IT Hardware - **Description**: A leading high-speed optical transceiver solution provider based in China, founded in 2008 and listed in 2017. It serves major US hyperscalers and GPU providers with a complete product portfolio for datacenter, 5G, networking, and fiber to the home [12][13]. Key Points and Arguments Earnings and Valuation - **Price Objective (PO)**: Raised to CNY780 from CNY580, reflecting a 30x P/E for 2H26-1H27E [1][15]. - **Earnings Revision**: 2-14% upward revision for 2025-27E EPS, driven by strong demand for 800G/1.6T products and optics in AI server scale-up [1][15]. - **Projected EPS**: Expected to grow from CNY9.45 in 2025E to CNY29.84 in 2027E, with a CAGR of 78% from 2025-27 [10][23]. Market Demand and Supply Dynamics - **800G/1.6T Demand**: Anticipated strong demand into 2026-27, with global shipments expected to reach 50 million units for 800G and 28 million units for 1.6T by 2027 [2][32]. - **Capacity Expansion**: Upstream suppliers like Lumentum and Tower Semi are expanding capacity significantly, which will support faster delivery of transceivers [2][32]. Technological Developments - **Optics in AI Servers**: The role of optics is becoming increasingly critical in AI server scale-up due to rising bandwidth needs. Innolight is focusing on new technologies like NPO (Open-Socket NPO) to leverage its Si-Ph expertise [4][39]. - **NPO vs. CPO**: NPO is seen as a more favorable solution compared to CPO due to its flexibility, lower repair costs, and higher power efficiency. Innolight is actively working on NPO projects with key CSP customers [4][40][42]. Financial Metrics - **Net Income Growth**: Projected net income to grow from CNY10.5 billion in 2025E to CNY33.2 billion in 2027E, with a net margin increase from 27.9% to 31.4% [10][24]. - **Free Cash Flow**: Expected to rise significantly, from CNY4.79 in 2025E to CNY25.10 in 2027E [10]. Competitive Position - **Market Leadership**: Innolight is positioned as the largest optical transceiver provider globally, benefiting from the AI uptrend and a strong project pipeline [13][16]. - **Valuation Comparison**: Trades at 30x 2026E P/E, below peers' average of 40x, indicating potential for valuation upside [29]. Additional Important Insights - **Revenue Growth**: Expected revenue CAGR of 64% from 2025-27, driven by high-margin 1.6T transceivers [18][23]. - **Operating Margin Improvement**: Operating margin projected to improve from 33.8% in 2025E to 38.5% in 2027E, reflecting operational leverage [10][36]. - **Investment Rationale**: The positive outlook is supported by sustained demand for high-speed transceivers and the company's strategic focus on innovative optical solutions [15][16]. This summary encapsulates the critical insights from the conference call regarding Zhongji Innolight's financial outlook, market dynamics, technological advancements, and competitive positioning in the optical transceiver industry.

Summary of Global Optical Transceivers Conference Call Industry Overview - The focus is on the **Global Optical Transceiver market**, with significant updates on the **TAM (Total Addressable Market)** forecast for 2026-2028, driven by the increasing demand for AI servers and advancements in optical transceiver technology [1][26]. Key Insights - The **Global Optical Transceiver value TAM** is raised by **43%** and **46%** for 2026 and 2027, respectively, with projected shipments of **800G** and **1.6T** units reaching **38 million** and **14 million** in 2026 [1][28]. - The **CAGR (Compound Annual Growth Rate)** for shipments of **800G and above optical transceivers** is expected to be **34%** from 2026 to 2028, reaching **94 million** units by 2028 [1][21]. - The **ASIC penetration rate** for AI chips is projected to increase to **50%** by 2027, up from **45%**, indicating a shift towards more efficient AI server architectures [1][26]. Market Dynamics - **Upstream supply constraints** such as EML and CW lasers are critical factors affecting delivery timelines for optical transceiver manufacturers [1][29]. - The transition from **pluggable optical transceivers** to **on-board optics (NPO)** and eventually to **co-packaged optics (CPO)** is anticipated to influence market dynamics significantly [1][30]. Shipment and Revenue Estimates - The **Global Optical module market** is projected to grow from **$33.7 billion** in 2025 to **$49.5 billion** in 2028, with a notable shift in product mix towards higher-speed modules [1][28]. - Shipments of **400G or lower** are expected to decline from **94%** of total shipments in 2025 to **80%** by 2028, indicating a market shift towards higher-speed optical transceivers [21][22]. Competitive Landscape - Companies rated as **Buy** include: - **Optical transceiver makers**: Innolight, Eoptolink, TFC Optical - **CW lasers/Epiwafer suppliers**: Landmark, VPEC - **Data center switch**: Ruijie [2]. Potential Risks - **Geopolitical tensions** may impact the supply and demand dynamics of AI chip platforms, particularly in the Chinese market [29]. - The **size of AI server clusters** could affect the number of optical modules used, with smaller clusters potentially leading to lower attach rates [29]. Technology Trends - The **adoption of Silicon Photonics (SiPh)** is expected to increase, with projections indicating that SiPh will account for **15%** of the market by 2028, particularly in high-speed applications [9][25]. - The **migration to higher-speed connections** (800G and above) is becoming mainstream for large-scale data centers, with significant growth expected in the **1.6T** and **3.2T** segments starting from 2026 [22][23]. Conclusion - The Global Optical Transceiver market is poised for substantial growth driven by advancements in AI server technology and increasing demand for high-speed connectivity solutions. The ongoing shifts in technology and market dynamics present both opportunities and challenges for industry players.

Summary of Optical Transceiver Industry Conference Call Industry Overview - The optical transceiver market is poised for multi-year Total Addressable Market (TAM) expansion driven by AI training and inference clusters, leading to faster port-speed upgrades and increased optical content per data center buildout [5][8][10] - Traditional data centers experienced networking speed doubling every 3-4 years, but AI is compressing upgrade cycles to every 2 years, resulting in a higher cadence of refresh and deployment across 400G, 800G, and 1.6T generations [8][10] Key Market Drivers - **Structural Drivers**: 1. Accelerated networking bandwidth upgrade cycles 2. Rising optical link density as more XPUs are deployed and networks scale across distances [10] - **Bandwidth Demand**: - Aggregate bandwidth demand is expected to grow significantly, with projections of 51,000-59,500 Pb/s by 2027 [9] - The equivalent transceiver quantity is forecasted to reach 220-253 million for 400G transceivers by 2027 [9] Market Segmentation - **Scale-Out**: Hyperscalers and cloud providers are increasing the number of GPU servers, which raises the number of server-to-switch and switch-to-switch links, expanding the TAM [18] - **Scale-Across**: Longer-reach back-end networks connecting GPU clusters across distances are adding new optical demand, with major hyperscalers already engaged in projects [19] - **Scale-Up**: High-bandwidth, ultra-low-latency interconnects within a single compute domain are expected to grow, with Co-Packaged Optics (CPO) becoming increasingly important [20] Investment Opportunities - **Coherent Plugables**: A multi-year investment theme as hyperscalers push AI-era fabrics beyond single buildings, enabling higher-order modulation and better fiber utilization [25] - **Component Suppliers**: Companies like Lumentum, Tower Semiconductor, and Applied Optoelectronics are highlighted as key beneficiaries due to their roles in the optical component supply chain [6][49][52] Company Highlights - **Ciena**: Focused on coherent optics for scale-out and scale-across architectures, integrating ZR plugables with its systems [28] - **Fabrinet**: Positioned as a second-derivative play in the optical transceiver ramp, benefiting from the overall growth in optics volumes [33] - **Cisco/Acacia**: Robust demand for plugable optics, with significant orders from major hyperscalers [35] - **Lumentum**: Strong growth potential in optics, with a focus on components that carry higher margins [45] - **Tower Semiconductor**: Expected to benefit from the EML shortage and SiPho ramps, with a significant market share in SiPho wafers [49][51] - **Applied Optoelectronics**: Vertically integrated with U.S.-based manufacturing, appealing to hyperscalers seeking to reduce reliance on Chinese supply chains [52] Financial Metrics - **Optical Transceiver Industry Comparables**: - Lumentum (Market Cap: $22.7 billion, P/E: 45.5x) - Coherent (Market Cap: $26.8 billion, P/E: 29.9x) - Applied Optoelectronics (Market Cap: $1.9 billion, P/E: 57.4x) [7] Conclusion - The optical transceiver market is experiencing significant growth driven by technological advancements and increased demand from hyperscalers and cloud providers. Companies positioned within this ecosystem, particularly those focusing on coherent optics and optical components, are expected to benefit substantially from these trends.

Market Overview - The market has experienced a pullback in the tech sector, which is viewed as an opportunity to reload investments [3][6] - There is a focus on light trading volume and attendance expected in the coming weeks due to the holiday season [2] Technology Sector Insights - Networking equipment is anticipated to see growth as data centers shift from scaling out to scaling up, requiring more networking equipment [4][5] - Arista Networks is highlighted as a key player with significant upside potential, particularly in AI switching equipment, with the Ethernet switch market projected to grow from $8 billion to approximately $59 billion in four years [6] - Arista has a strong backlog of deferred revenue amounting to $2.5 billion expected to contribute to earnings as early as Q2 of next year [7] AI and Cloud Computing - The AI sector is facing uncertainty regarding funding for ambitious projects, which is raising risk premiums on AI-related stocks [15][16] - Companies like Oracle and Coreweave are mentioned as part of the AI landscape, with OpenAI seeking substantial funding to enhance its valuation [14] - The majority of AI capital expenditures are being funded with cash, contrasting with legacy hyperscalers that have more financial flexibility [15] Pharmaceutical Sector - The pharmaceutical industry is gaining attention as political hurdles have been cleared, making it attractive for generalist portfolio managers [13] - Eli Lilly is identified as a strong pick due to its dominance in the anti-obesity market and promising oncology pipeline [13] Economic Outlook - There is optimism regarding nominal GDP growth, which is positively correlated with earnings growth, suggesting a bullish outlook for the market [10][18] - Concerns about potential overheating in the economy leading to rate hikes by the Fed are not expected in the near term [19]

Summary of YJ Semi (688498.SS) Management Meeting Company Overview - **Company Name**: YJ Semi (688498.SS) - **Industry**: Optical Transceiver and Laser Technology - **Products**: Continuous-wave lasers (CW lasers) and electro-absorption modulated lasers (EML) - **Clientele**: Supplies to optical transceiver companies including Innolight and Eoptolink - **Recent Performance**: Revenues increased by 71% year-over-year in 1H25, with significant growth from the data center business [3][4] Key Points from Management Meeting 1. Positive Outlook on CW Laser Demand - Management is optimistic about the demand for CW lasers in 2026, driven by: - Increasing volume of optical transceivers - Rising penetration of silicon photonics - Capacity for CW lasers has been ramping up throughout 1Q-3Q25, with expectations for sequential growth in the coming quarters [4][5] 2. CW Laser Diodes Development - The company is upgrading its CW laser diodes to higher power levels: - 100mw CW laser products are set to ramp up in the next year - 70mw CW lasers will remain the primary contributor in 2026 due to scale and yield rates - Development of 150mw and 300mw CW laser diodes is ongoing to support client needs [5][8] 3. EML Product Development - YJ Semi has initiated verification and testing of 100G EML with top clients - The EML chipset market is currently dominated by global-tier leaders, indicating a gradual ramp-up in volume - The company is focusing on CW laser diodes production in the near term while developing next-generation products, with potential upsides in 200G EML [8][4] Industry Insights 1. Optical Transceiver Market Growth - The global optical transceiver market is projected to reach: - **2025**: US$24 billion - **2026**: US$30 billion - **2027**: US$37 billion - The 800G+ segment is expected to see significant growth, with silicon photonics penetration rates estimated at: - **60%** for 800G - **80%** for 1.6T - **100%** for 3.2T optical transceivers [2] 2. Investment Recommendations - Analysts recommend buying stocks of Innolight and Eoptolink based on the positive outlook for the optical transceiver market and silicon photonics penetration [2] Additional Notes - The company primarily uses 3-inch InP substrates, which are reported to have stable supply [4] - Management's focus on higher power CW lasers is expected to enhance production efficiency for transceiver modules [5]