国金证券：给予太辰光买入评级

Core Viewpoint - The report highlights the significant revenue growth of Tai Chen Guang (太辰光) in the optical device sector, projecting continued expansion in the CPO (Co-Packaged Optics) era, and maintains a "buy" rating for the company [1]. Financial Performance - In the first half of 2025, the company achieved revenue of 828 million yuan, a year-on-year increase of 62.49%, and a net profit attributable to shareholders of 173 million yuan, up 118.02% year-on-year [2]. - For Q2 2025, the company reported revenue of 458 million yuan, reflecting a year-on-year growth of 59.80%, and a net profit of 94 million yuan, which is a 96.77% increase year-on-year [2]. Operational Analysis - In the first half of 2025, the company's optical device revenue reached 812 million yuan, marking a 64% year-on-year growth, with North American optical device revenue at 610 million yuan, up 69% [3]. - The revenue from Corning's optical communication business reached 1.474 billion USD in the first half of 2025, a 92% year-on-year increase, indicating strong downstream demand in the industry [3]. - The company's optical device revenue saw a slight quarter-on-quarter decline of 1.6% in the first half of 2025, attributed to production capacity ramp-up issues, with a 100% capacity utilization rate [3]. Future Outlook - The company anticipates improved profitability in the second half of 2025, driven by the ramp-up of production capacity in Vietnam and the self-supply of MT connectors, which may enhance gross margins [4]. - The company has entered the CPO supply chain with Nvidia and is expanding its product offerings, which positions it well for future growth as the CPO market evolves [4]. - The expected release of Nvidia's Spectrum series CPO switches at the end of 2025 and in 2026 is seen as a significant catalyst for the industry [4]. Earnings Forecast and Valuation - Revenue projections for the company are 2.011 billion yuan for 2025, 2.811 billion yuan for 2026, and 3.850 billion yuan for 2027, with net profits of 430 million yuan, 623 million yuan, and 851 million yuan respectively [5]. - The current stock price corresponds to a PE ratio of 71.96 for 2025, 49.66 for 2026, and 36.35 for 2027, maintaining a "buy" rating [5].