Group 1: Industry Overview - Propylene glycol (1,2-propanediol) is a colorless, viscous liquid with a slightly sweet taste, widely used in chemical synthesis, solvents, daily chemicals, pharmaceuticals, and food industries [4] - It serves as a raw material for unsaturated polyester resins, epoxy resins, polyurethane resins, plasticizers, surfactants, emulsifiers, and antifreeze [4] - The primary production methods for industrial propylene glycol are the propylene oxide hydrolysis method and the ester exchange method [4] Group 2: Market Analysis - The domestic production of propylene glycol mainly utilizes the ester exchange method, focusing on industrial-grade products, with a significant portion of capacity allocated for export due to saturated domestic demand [7] - In contrast, foreign companies predominantly use the propylene oxide hydrolysis method, which is simpler, more energy-efficient, and produces higher quality products, meeting medical-grade standards [7] - The global propylene glycol market is projected to grow from $6.03 billion in 2024 to over $15.18 billion by the end of 2037, with a compound annual growth rate (CAGR) of approximately 7.36% [7] Group 3: Demand and Supply Dynamics - The demand for medical-grade propylene glycol, used in food additives, pharmaceutical intermediates, and cosmetics, is significantly higher than supply, leading to reliance on imports [7] - The market for propylene glycol is expected to expand due to increasing demand from the automotive, pharmaceutical, food, and cosmetics industries [7] - The report indicates that the propylene glycol industry is experiencing a saturation in the domestic market, necessitating strategic planning for future growth [12][15]