实现科技自立自强，确保产业链供应链的韧性与安全：——基础化工行业周报（20251020-20251024）-20251026

Investment Rating - The report maintains an "Accumulate" rating for the basic chemical industry [5] Core Insights - The "14th Five-Year Plan" emphasizes the need for significant improvements in technological self-reliance, aiming for a substantial leap in technological strength by 2035. Key measures include enhancing original innovation, integrating technological and industrial innovation, and advancing digital construction [1] - The semiconductor materials sector is experiencing a phase of demand expansion and domestic substitution, with the global semiconductor market expected to reach $700.9 billion by 2025, growing 11.2% year-on-year. Key materials like photoresists and electronic chemicals are benefiting from increased wafer production and supportive domestic policies [2] - The humanoid robot and low-altitude economy sectors are rapidly developing, with the global humanoid robot market projected to grow from $2.02 billion in 2024 to $15.26 billion by 2030, reflecting a CAGR of 39.2%. Lightweight materials like PEEK and MXD6 show high application potential in these areas [3] - The AI computing infrastructure is driving growth in high-frequency resin and liquid cooling materials, with the AI server market expected to reach $298 billion by 2025, a 45.4% increase year-on-year [4] Summary by Sections 1. Market Review - The basic chemical sector saw a 2.6% increase over the past week, ranking 15th among all sectors. The Shanghai Composite Index rose by 11.6% [9][11] 2. Key Product Price Tracking - Notable price increases include sulfur (+14.06%) and various oil products, while significant declines were observed in refrigerants like R22 (-39.71%) [18][20] 3. Sub-industry Dynamics - The polyester filament market is recovering after a price drop, supported by rising raw material costs. The polyurethane sector is also seeing improved demand after a recent downturn. However, the titanium dioxide market is experiencing cautious sentiment due to high raw material prices and weak downstream demand [21][22]