Investment Rating - The report maintains a "Buy" rating for Longxin Co., Ltd. (688486.SH) [5] Core Insights - Longxin Co., Ltd. is actively developing high-speed data transmission products for AI applications, with PCIe expected to become a new growth point. The company leverages its technology in mixed-signal fields to create chips for AI training, inference, and data storage [1][5] - The automotive electronics segment is expanding, with successful market promotion of the vehicle SerDes chipsets and continuous development of smart cockpit and vehicle-side applications [2] - The traditional bridging business shows steady growth, with the company maintaining its leading position in the domestic market and ranking sixth globally in sales and market share of high-definition video bridging chips [3] Financial Performance Summary - For the first three quarters of 2025, Longxin Co., Ltd. achieved revenue of 389 million yuan, a year-on-year increase of 16.67%, and a net profit attributable to shareholders of 125 million yuan, up 32.47% year-on-year [3] - Revenue projections for 2025-2027 are estimated at 705 million, 1.119 billion, and 1.450 billion yuan, respectively, with net profits expected to be 206 million, 342 million, and 428 million yuan [3][4] - The company’s earnings per share (EPS) are projected to grow from 0.77 yuan in 2023 to 3.21 yuan in 2027, reflecting strong growth potential [4] Product Development and Market Position - The company has successfully developed a 12.5Gbps SerDes technology for high-end automotive markets, addressing the demand for long-distance video transmission and ultra-high-definition display [2] - Longxin Co., Ltd. is expanding its product line in high-definition video bridging and processing chips, with new products expected to be shipped in the second half of 2025 [3]

Core Viewpoint - The report outlines the progress and effectiveness of the "Quality Improvement and Efficiency Enhancement Return" action plan for the first half of 2025, highlighting the company's focus on high-quality development and shareholder returns. Group 1: Business Performance - The company achieved total revenue of 246.98 million yuan, an increase of 11.35% year-on-year, and a net profit attributable to shareholders of 71.52 million yuan, up 15.16% year-on-year [1] - The net profit after excluding non-recurring gains and losses was 56.90 million yuan, reflecting a growth of 17.56% compared to the previous year [1] Group 2: Research and Development - The company invested 57.06 million yuan in R&D during the first half of 2025, a 22.87% increase year-on-year, representing 23.10% of total revenue [2] - The company successfully developed a chip for commercial display and security applications that supports high refresh rates and can switch between multiple input signals, significantly reducing design complexity and production costs [3] Group 3: Product Development and Market Expansion - The company is expanding its product line in high-definition video bridging and processing chips, leveraging AI technology to meet the growing demand for edge computing and advanced communication [4][5] - The company has made significant progress in automotive electronics, with new products being promoted in the market, including a vehicle-mounted SerDes chip group [5] Group 4: Talent Development and Incentives - The company emphasizes talent development, with 72.84% of employees in R&D roles, and 54.24% of R&D personnel holding master's degrees or higher [6] - The implementation of the 2024 restricted stock incentive plan aims to attract and retain talent while enhancing team stability and creativity [7] Group 5: Supply Chain and Production Capacity - The company is optimizing its supply chain management and has expanded its production capacity by adding two wafer fabs and one packaging plant [8] - The company is conducting R&D on mixed-signal chips with advanced manufacturing processes, achieving transmission rates of up to 20 Gbps [8] Group 6: Shareholder Returns - The company has implemented cash dividends and capital reserve transfers to enhance shareholder returns, distributing 7.00 yuan per 10 shares, totaling approximately 70.99 million yuan [9] - The capital reserve transfer increased the total share capital from 102,280,590 shares to 132,704,525 shares [9] Group 7: Corporate Governance and Transparency - The company has established a public opinion management system to enhance its response capabilities and protect investor interests [10] - The company has improved its information disclosure practices, holding 21 investor communication events in the first half of 2025 to enhance transparency [10]