新材料周报：山东省发布2025年重大项目名单，上海洁达尼龙一体化一期项目建成

Investment Rating - The report maintains an investment rating of "Outperform" for the new materials sector [2]. Core Insights - The new materials sector has shown resilience, with the new materials index rising by 0.15%, outperforming the ChiNext index by 2.17% over the past week [2]. - The report highlights a significant decline in various sub-sectors, including synthetic biology (-5.63%), semiconductor materials (-1.35%), electronic chemicals (-2.04%), biodegradable plastics (-4.14%), industrial gases (-1.11%), and battery chemicals (-3.51%) [2][19]. - The Shandong provincial government has announced major projects for 2025, including several wind power initiatives, which are expected to drive demand and improve profitability in the wind energy sector [5]. Summary by Sections 1. Secondary Market Performance - The new materials sector outperformed the broader market, with the new materials index increasing by 0.15% while the Shanghai Composite Index fell by 1.34% and the ChiNext index dropped by 2.02% [2][16]. - The report notes that the synthetic biology index has seen a decline of 5.63% over the past five trading days, indicating a challenging environment for this sub-sector [19]. 2. Industry Chain Price Tracking - Prices for amino acids such as valine remain stable at 15,500 CNY/ton, while arginine has decreased by 3.45% to 28,000 CNY/ton [4]. - The report tracks stable prices for biodegradable materials, with PLA injection-grade at 18,000 CNY/ton and PBS at 19,000 CNY/ton [4]. 3. Investment Recommendations - The report suggests focusing on companies like "Shidai New Materials" and "Maijia Xincai" due to their potential benefits from the expected growth in the wind energy sector driven by government policies [5].