Orient Securities·2025-09-07 03:45Investment Rating - The industry investment rating is "Positive (Maintain)" [4] Core Viewpoints - Silicon carbide (SiC) materials are expected to be applied in advanced packaging, opening up growth opportunities. The material's excellent thermal conductivity makes it suitable for applications in intermediary layers and heat dissipation substrates, benefiting related manufacturers [2][19] - The demand for AI GPU performance is continuously increasing, leading to higher thermal management requirements in chip packaging. SiC's thermal conductivity can significantly enhance heat dissipation efficiency in these applications [7][14] Summary by Sections Industry Overview - The report focuses on the electronic industry, particularly the application of silicon carbide materials in advanced packaging, which is anticipated to drive industry growth [1][4] Investment Recommendations and Targets - Key investment targets include Tianyue Advanced, a leader in the silicon carbide substrate industry, and Sanan Optoelectronics, a major power device manufacturer with a focus on silicon carbide substrates [2][19] - Tianyue Advanced is projected to achieve a revenue of 1.77 billion yuan in 2024, representing a 41% year-on-year growth, with a net profit of 180 million yuan, indicating a turnaround from losses [20][23] - Sanan Optoelectronics is expected to see a revenue of 8.99 billion yuan in the first half of 2025, a 17% increase year-on-year, with a gross margin of 15.2% [27][31] Key Developments - NVIDIA plans to use silicon carbide substrates in the advanced packaging of its next-generation GPU chips, indicating a significant application potential for SiC materials in high-performance computing [7][8] - TSMC is also planning to apply 12-inch single crystal silicon carbide in heat dissipation substrates, replacing traditional materials [7][17] - The thermal conductivity of silicon carbide can reach 500 W/mK, compared to silicon's 150 W/mK, making it a superior choice for high thermal management applications [14][18]