SIASUN(SZ:300024) Xin Lang Cai Jing·2025-08-15 04:09Market Overview - The three major stock indices showed strength in early trading, with the ChiNext index rising over 2% [1] - As of the midday close, the Shanghai Composite Index was at 3683.58 points, up 0.47%; the Shenzhen Component Index was at 11587.38 points, up 1.19%; and the ChiNext Index was at 2522.62 points, up 2.14% [2] Sector Performance - The PEEK materials sector led the gains, with companies like Jintian Co. and Lianhong Xinke hitting the daily limit [1] - The liquid cooling server sector was strong, with Chuanhuan Technology hitting the daily limit, along with Dongyangguang and Dayuan Pump Industry [1] - The solid-state battery sector was active, with companies like Nord Co. and Shandong Zhanggu hitting the daily limit [1] - Conversely, the banking sector experienced collective adjustments, with CITIC Bank and Qilu Bank among the biggest decliners [1] - The liquor sector saw fluctuations, with Gujing Gongjiu leading the decline [1] - The cross-border payment concept faced a pullback, with Changliang Technology showing significant losses [1] Hot Sectors 1. Liquid Cooling Servers - The IDC report forecasts a compound annual growth rate of 46.8% for China's liquid cooling server market from 2024 to 2029, with the market size expected to exceed $16.2 billion by 2029 [4] - Zheshang Securities estimates that the market size for liquid cooling will reach 35.4 billion, 71.6 billion, and 108.2 billion yuan in 2025, 2026, and 2027 respectively, driven by the acceleration of intelligent upgrades in computing infrastructure [4] - Liquid cooling servers are positioned as a core component of AI computing infrastructure, entering a golden development period of 5-10 years due to policy, technology, and market demand [4] 2. PEEK Materials - Companies like Shuangyi Technology, Jintian Co., Lianhong Xinke, and Huitong Co. saw significant increases [5] - The 2025 World Humanoid Robot Games, taking place from August 15-17 in Beijing, has heightened market interest in the robotics supply chain, alongside a 90-day tariff suspension policy between China and the U.S. [5] - PEEK (Polyether Ether Ketone) is recognized for its lightweight and high-strength properties, making it a preferred material for applications in robotics joints, new energy vehicle battery components, and aerospace precision parts [5] - The upcoming mass production of Tesla's Optimus humanoid robot is driving demand for material upgrades due to lightweight requirements [5]