基础化工行业周报（2025/7/28-2025/8/3）：“反内卷”有望进一步细化，新材料关注AI、机器人新进展-20250805

Investment Rating - The report suggests a focus on sectors with significant supply elasticity and competitive advantages, particularly in the chemical industry, due to structural optimization on the supply side [7][8]. Core Insights - The "anti-involution" policy is expected to become a key focus for the chemical supply side, with attention on sectors that can compress supply and companies with relative advantages [7][15]. - Strong demand in semiconductor and robotics sectors is highlighted, with significant growth in global silicon wafer shipments and a projected market size for robotics exceeding $400 billion by 2029, with China holding nearly half of the market share [7][16][17]. - The report emphasizes the importance of domestic chemical companies in filling gaps in the international supply chain, driven by cost advantages and technological advancements [7][18]. Summary by Sections Industry News and Events - The Central Political Bureau meeting emphasized the need to optimize market competition and address "involution" in the chemical industry, with the National Development and Reform Commission (NDRC) taking steps to regulate chaotic competition [7][15]. - Reports from SEMI and IDC indicate robust demand in the semiconductor and robotics sectors, with significant growth in silicon wafer shipments and a forecasted growth rate of nearly 15% for the robotics market in China [7][16][17]. Chemical Sector Performance - For the week of July 28 to August 1, 2025, the CSI 300 index fell by 1.75%, while the Shenwan Basic Chemical Index decreased by 1.46%, outperforming the broader market by 0.29% [20][23]. - The top-performing sub-sectors included synthetic resins and rubber products, while the weakest performers were related to civil explosives and chlor-alkali products [20][23][28]. Price Trends - Notable price increases were observed in light soda ash (up 8.25%) and soft foam polyether (up 6.04%), while significant declines were seen in PTFE (down 26.19%) and methyl acrylate (down 7.16%) [20][33]. - The report tracks price differentials, with the largest increases in the price differential for adipic acid versus benzene (up 16.78%) [20][35]. Investment Recommendations - The report recommends focusing on sectors with significant supply elasticity, such as organic silicon, membrane materials, and dyes, while also identifying leading companies in these areas [8][19]. - It highlights the potential for growth in the food additives sector driven by new consumption trends and regulatory support, as well as opportunities in domestic chemical materials due to increasing self-sufficiency [9][19].