Investment Rating - The industry investment rating is "Overweight" indicating that the industry index is expected to outperform the CSI 300 index by 10% or more in the next six months [8] Core Insights - The recent fire incident at Covestro's Dormagen plant in Germany has led to supply disruptions in key chemicals, including chlorine, which is critical for TDI production. This incident is expected to impact TDI supply significantly [7] - TDI prices have been rising due to limited supply and strong overseas demand, with prices in East China reaching 13,700-14,200 CNY/ton as of July 17, reflecting an increase of over 2,000 CNY/ton since July [7] - China's TDI exports have surged, reaching a historical high of 51,600 tons in May 2025, a year-on-year increase of 98.45%, driven by tariff incentives and rising demand in Southeast Asia [7] Summary by Sections Industry Overview - The report highlights structural opportunities in the organic silicon industry following Dow's closure of its UK plant [3] - The fluorochemical sector is expected to maintain its favorable performance due to anticipated earnings growth [3] Recent Events - Covestro's fire incident has caused a significant impact on its production capabilities, particularly affecting TDI and other related products [7] - The TDI supply chain is facing constraints due to multiple factors, including maintenance shutdowns and increased export orders [7] Market Dynamics - The report notes that overseas TDI production capacity is shrinking, providing a competitive advantage for Chinese companies in the global market [7] - The demand growth in Southeast Asia is projected to remain between 6-8% annually, making it a core market for Chinese TDI exports [7] Investment Recommendations - The report suggests focusing on companies that are likely to benefit from the tightening TDI supply and rising prices, specifically mentioning Wanhua Chemical and Cangzhou Dahua [7]