Donghai Securities·2025-11-26 07:46Group 1: Longxin Zhongke (688047) - The company is the only domestic CPU manufacturer that builds an independent information technology system based on its own instruction set, independent of x86 and ARM architectures, establishing a competitive edge in the open market [5][6] - Longxin's product lineup includes the Longxin 1 MCU, Longxin 2 SoC, and Longxin 3 CPU series, which have significantly improved cost-performance ratios, positioning the company for a new growth cycle [5][6] - The demand for domestic CPUs is driven by the acceleration of AI server and AIPC shipments, with a projected 24.3% growth in global AI server shipments in 2025, and a 34% penetration rate for AIPC in mainland China [6][7] - The company maintains control over its core IP and instruction set, allowing for x86/ARM instruction translation, which enhances its competitive position in the market [7][9] - Longxin's focus on the domestic market and gradual expansion into the open market is supported by its cost-performance advantages, with expectations of a 30-50% improvement in cost-performance for terminal chips and 50-100% for server chips over the next three years [9][10] Group 2: Shengde Xintai (300881) - The company operates a dual business model focusing on high-end pipes and automotive components, benefiting from both traditional energy and new energy sectors [12][13] - Revenue growth is notable, with increases of 64.1% in 2023 and 34.4% in 2024, and a reported revenue of 2.325 billion yuan in the first three quarters of 2025 [12][13] - The company has a strong market position in the small-diameter stainless steel pipe market for power station boilers, with a focus on high-tech products that yield higher profit margins compared to ordinary steel pipes [13][14] - The demand for high-end boiler pipes is expected to remain strong due to the anticipated addition of 47.44 million kilowatts of new thermal power capacity in 2024 [13][14] - The company is projected to achieve revenues of 3.043 billion, 3.220 billion, and 3.411 billion yuan from 2025 to 2027, with corresponding net profits of 240 million, 276 million, and 309 million yuan [14]