风险提示：原材料价格大幅波动、产能建设进度不及预期、贸易摩擦加剧、宏观经济增长不及预期等风 险。 石化业务改造落地，自研技术加速产业化。25H1 公司石化业务120 万吨/年的第二套乙烯装置一次性开 车成功，第一套乙烯装置进行乙烷进料改造，改造完成后预计将显著降低生产成本，提高盈利能力。公 司各项自研技术加速成果转化，MS 装置一次性开车成功，丰富了光学业务产品线；叔丁胺产业化成 功，不断延伸特种胺的产业链。砜聚合物已产出合格品，完善了万华工程塑料的解决方案。生物基1,3- 丁二醇成功导入化妆品客户。电池材料持续加大研发投入，多项技术取得阶段性突破，第四代磷酸铁锂 完成量产供应，五代完成定型首发。 盈利预测和投资建议：我们看好公司全球化布局巩固聚氨酯全球龙头地位，新材料项目持续投产落地， 高附加值产品有望进一步提升盈利能力，作为化工龙头有望率先受益于景气提升红利，预计公司 2025~2027 年归母净利润为132.58/166.86/189.02亿元折合EPS 分别为4.24，5.33，6.04 元，目前股价对 应PE 估值分别为16.07/12.77/11.27 倍，维持"买入"投资评级。 事件：公司发布2 ...

Group 1: Investor Relations Activity Overview - The investor relations activity was an earnings briefing held on May 16, 2025, from 15:00 to 16:30 [3] - The event took place on the "Investor Relations Interactive Platform" [3] - Key attendees included the Chairman, CFO, and other senior executives of the company [3] Group 2: Key Topics Discussed - The earnings briefing included a video interpretation of the annual report and an overview of the company's 2024 operational performance [4] - The catalyst project is expected to commence production in June 2025, with initial revenue and profit gradually increasing [5] - The company is actively monitoring the market for biodegradable plastics due to low demand and will disclose relevant updates [5] Group 3: Market Expansion and Future Projects - The company is expanding its overseas market presence, with ongoing orders from Russia and the Middle East [5] - A new production project in Shandong is planned with a capacity of 200,000 tons/year for PS, SAN, ASA, and MS, which has completed necessary approvals [6] - The company aims to become a globally competitive entity in the petrochemical technology sector through continuous innovation and international exploration [6] Group 4: Profitability and Stock Management - The company is implementing measures to maintain high gross margins on its process packages, including quality improvement and cost optimization [8] - The Chairman has consistently increased his stock holdings, totaling 457,735 shares as of April 30, 2025, indicating confidence in the company's potential [8]