最好的时代，进击的化工巨头！

Group 1 - The core viewpoint of the article emphasizes that the coal-based process is leading in the industry, showcasing significant cost advantages [1][3] - The production of olefins, particularly ethylene and propylene, is highlighted as a key indicator of the chemical industry's development level [3] - China's energy structure, characterized by "rich coal, lack of oil, and limited gas," positions the coal-based route as a distinctive process in the industry [3]