DING LONG(SZ:300054) SINOLINK SECURITIES·2025-04-29 06:22Investment Rating - The report maintains a "Buy" rating for the company, indicating a positive outlook for future growth in the semiconductor materials sector [5]. Core Insights - The company's revenue for 2024 reached 3.338 billion RMB, a year-on-year increase of 25.14%, with a net profit attributable to shareholders of 521 million RMB, up 134.54% [2]. - The semiconductor materials segment is driving revenue growth, with a reported income of 1.52 billion RMB in 2024, reflecting a 77.40% increase year-on-year [3]. - The company has issued convertible bonds to expand its production capacity for photolithography and semiconductor materials, raising 910 million RMB for key projects [4]. Summary by Sections Performance Review - In Q1 2025, the company achieved a revenue of 824 million RMB, a 16.37% increase year-on-year, and a net profit of 141 million RMB, up 72.84% [2]. Operational Analysis - The semiconductor materials business is a key growth driver, with significant market penetration in domestic wafer and panel manufacturers [3]. - The company has optimized its operational efficiency, reducing its expense ratio to 26.26% in 2024, while maintaining a research and development expense ratio around 14% [3]. Profit Forecast and Valuation - Projected net profits for 2025-2027 are 684 million RMB, 876 million RMB, and 995 million RMB, respectively, with corresponding EPS of 0.73, 0.93, and 1.06 RMB [5]. - The current price-to-earnings ratios are estimated at 41, 32, and 28 times for the years 2025, 2026, and 2027, respectively [5].