Xin Lang Cai Jing·2025-08-11 01:59Group 1 - Global TDI supply is tightening due to significant production disruptions, including a complete shutdown of a 150,000-ton facility by South Korea's Hanwha Chemical due to heat exchanger leaks, resulting in a cumulative reduction of approximately 15% in global capacity this year [1] - The current valuation of the basic chemical industry is at a low level since 2014, indicating medium to long-term investment value [1] - Investment recommendations include focusing on three main themes: opportunities in the western development initiative, cyclical elasticity opportunities due to increased supply-side disruptions, and acceleration of domestic substitution in new materials [1] Group 2 - The CSI Sub-Industry Chemical Theme Index (000813) has shown a slight increase of 0.35%, with notable gains in constituent stocks such as Salt Lake Co. (up 4.00%) and Saint Quan Group (up 2.04%) [1] - As of July 31, 2025, the top ten weighted stocks in the CSI Sub-Industry Chemical Theme Index account for 43.54% of the index, with major companies including Wanhua Chemical and Salt Lake Co. [2]