基础化工行业周报：美瑞新材PPDI装置投产，英力士比利时PTA工厂因环保面临关闭威胁

Investment Rating - The report maintains a "Strong Buy" rating for the basic chemical industry, indicating a positive outlook for the sector [4]. Core Insights - The basic chemical sector has experienced a significant downturn, with the CITIC Basic Chemical Index dropping by 6.45% this week, reflecting broader market trends [12][13]. - Key investment themes include the strong competitiveness of domestic tire manufacturers, the potential recovery in consumer electronics, and the resilience of certain cyclical industries [4][6]. Summary by Sections Market Performance - The Shanghai Composite Index fell by 3.56%, the ChiNext Index by 3.41%, and the CSI 300 by 3.25% this week [12]. - The basic chemical sector's performance was notably poor, with the CITIC Basic Chemical Index down 6.45% [12]. Key Industry Developments - Meirui New Materials announced the commissioning of the world's largest PPDI facility, which is part of a polyurethane industrial park with an annual capacity of 120,000 tons [3]. - INEOS faces potential closure of its PTA plant in Belgium due to unachievable environmental targets, risking approximately 600 jobs [3]. Investment Themes - Tire Industry: Domestic tire companies are becoming increasingly competitive, with recommended stocks including Sailun Tire, Senqia, General Shares, and Linglong Tire [4]. - Consumer Electronics: A gradual recovery is anticipated, with upstream material companies expected to benefit. Key stocks include Dongcai Technology, Stik, Light Optoelectronics, and Ruile New Materials [4]. - Cyclical Industries: Focus on industries with strong resilience and inventory destocking leading to potential bottom reversals, particularly in phosphate and fluorine chemicals [4][6]. - Vitamin Supply: Supply disruptions in vitamins A and E due to BASF's force majeure could create investment opportunities in companies like Zhejiang Medicine and New Hecheng [6]. Sub-industry Performance - The report highlights the performance of various sub-industries, with other plastic products showing a gain of 5.84%, while potassium fertilizers and titanium dioxide saw declines of 8.53% and 8.23%, respectively [13][15].