Core Viewpoint - DuPont China is under investigation for alleged violations of China's antitrust laws, which may accelerate the domestic substitution of high-performance separation membrane materials in the industry [1][3]. Group 1: Company Overview - DuPont China Group Limited operates in several segments, including electronic technology, next-generation automotive, water treatment, protective solutions, and industrial technology [3]. - The merger of Dow Water & Process Solutions and DuPont's Safety & Construction Division in April 2019 led to the establishment of DuPont Water Solutions, solidifying its market position in water treatment [3]. Group 2: Industry Context - The increasing complexity of international political and economic situations highlights the importance of high-performance separation membrane materials as strategic materials for China, emphasizing the need for a self-controlled industrial chain [3]. - The process of domestic substitution in the high-performance separation membrane sector is accelerating, with companies in this niche emerging as leaders in the market [3].