化工行业报告（2026.02.23-2026.03.01）：美伊冲突爆发，多个化工子行业值得关注

Industry Investment Rating - The industry investment rating is "Outperform" and is maintained [2] Core Insights - The basic chemical industry index closed at 5211.18 points, up 5.34% from the previous week, outperforming the CSI 300 index by 5.53% [17] - Among the 22 sub-industries tracked, 19 saw price increases, with the highest gains in phosphate fertilizers and phosphate chemicals (16.66%), compound fertilizers (10.65%), membrane materials (8.74%), nitrogen fertilizers (7.64%), and inorganic salts (7.39%) [18] - The report highlights the impact of geopolitical tensions, particularly the Iran conflict, on oil and gas prices, which could lead to significant fluctuations in global energy prices if supply chains are disrupted [6] Summary by Sections Industry Overview - The basic chemical industry index has shown a strong performance, with a notable increase in various sub-industries [17][18] - The report indicates a positive trend in the chemical sector, with a majority of companies experiencing stock price increases [21] Sub-Industry Tracking - Polyester Filament Yarn: Prices have slightly increased, with average market prices for POY, FDY, and DTY rising by 30 CNY/ton [29] - Tires: The industry operating rates have improved, with full steel tire operating rates at 26.04%, up 13.67 percentage points [41] - Refrigerants: The R22 market is gradually recovering, with prices expected to stabilize, although demand remains limited [50] Price Movements - The report tracks significant price changes in various chemical products, with industrial-grade lithium carbonate and battery-grade lithium carbonate seeing increases of 20% and 19% respectively [27] - Conversely, liquid chlorine prices have dropped by 15%, reflecting market volatility [28]