Investment Rating - The report maintains a "Buy" rating for Eoptolink and Innolight, with target prices raised significantly to reflect updated volume estimates and market conditions [73]. Core Insights - The optical transceiver industry is expected to experience robust growth driven by a rising attach ratio of transceivers to GPUs and ASICs, with significant increases in volume estimates for 800G and 1.6T transceivers [2][7]. - The demand for 800G transceivers is projected to reach 19.9 million units in 2025 and 33.5 million units in 2026, representing increases of 10% and 58% respectively [2][16]. - The report highlights two key investment themes: the potential for second-tier transceiver makers like HG Tech to benefit from demand overflow and the valuation convergence between Eoptolink and Innolight [3][44]. Summary by Sections Industry Outlook - The optical transceiver market is expected to grow by 60% in 2025 and 52% in 2026 in dollar terms, primarily driven by higher volumes of 800G and 1.6T transceivers [16][73]. - The attach ratio of transceivers to GPUs is increasing, with the latest B300 GPU requiring 4 to 4.5 transceivers, compared to 2 to 3 for earlier models [8][53]. Company-Specific Insights - Eoptolink's target price has been raised from Rmb 97.1 to Rmb 177, reflecting an 82% increase, while Innolight's target price has been adjusted from Rmb 115 to Rmb 160, a 39% increase [73]. - Eoptolink is expected to achieve a net profit growth of 163% in 2025, while Innolight is projected to grow by 43% in the same year [74]. Investment Themes - The report identifies HG Tech as a potential beneficiary of demand overflow due to its established capacity and ongoing product testing for 800G transceivers [44][50]. - The convergence in valuation between Eoptolink and Innolight is anticipated, with Eoptolink trading at a discount despite similar profit levels and growth rates [26][27]. Key Metrics - The report outlines significant changes in revenue and net profit estimates for the companies covered, with Eoptolink's net profit expected to increase by up to 42% from 2025 to 2027 [2][73]. - The optical transceiver market is projected to require substantial new capacity to meet the anticipated demand, particularly for 800G transceivers [45][72].

Investment Rating - The report maintains a "Buy" rating for both Innolight and Eoptolink, with a 12-month price target of Rmb115 for Innolight and Rmb136 for Eoptolink, indicating potential upside of 19.2% and 26% respectively [30][34]. Core Insights - The optical transceiver demand outlook for 2025 remains firm, driven by AI infrastructure needs, with key customers maintaining their transceiver volume expectations [1][16]. - Supply constraints are expected to ease as new laser capacity comes online around the end of 2Q25, which could support a faster shipment cadence in 2H25 [8][15]. - The 1.6T shipment ramp is anticipated to concentrate in 2H25, with initial demand forecasts for 2026 expected to be communicated by customers in mid-2025 [14][3]. Summary by Sections Demand Outlook - The demand for optical transceivers is primarily driven by AI infrastructure, with a robust outlook for 800G transceiver orders in 2025 [1][13]. - Concerns regarding 2026 demand persist, but clarity is expected as customers begin to communicate their forecasts [3][20]. Supply Chain Dynamics - The supply chain is experiencing tightness in laser components, but improvements are anticipated as new capacities are introduced [15][8]. - The ongoing ramp of 800G products is expected to be a key growth driver, with significant shipments anticipated in 2H25 [4][11]. Earnings Revisions - Earnings estimates for Innolight and Eoptolink have been revised upward, reflecting improved supply conditions and steady demand [17][22]. - Innolight's revenue estimates for 2025-2027 have been increased by 3%-8%, while Eoptolink's estimates have been raised by 4%-9% [21][22]. Competitive Positioning - Innolight is positioned as a leader in the 800G/1.6T optical transceiver market, benefiting from strong relationships with major customers [26][28]. - Eoptolink is also well-positioned to capitalize on the ramp-up of 400G/800G transceivers, with a focus on AI infrastructure [31].