Core Viewpoint - The PU sole industry in China is experiencing significant growth, with the market size expected to reach 1.38 trillion yuan in 2024, a 15% increase year-on-year, and projected to reach 1.8 trillion yuan by 2025 due to rising consumer demand for high-quality products and the rapid development of e-commerce [1][7]. Group 1: Industry Overview - The PU sole is made from polyurethane, offering advantages such as lightweight, durability, and improved performance compared to traditional rubber soles [3][5]. - The industry has evolved through three stages: initial development (1980-1990), rapid expansion (1990-2000), and maturity (2010-present), with China becoming the largest producer and consumer of PU soles globally [4][5]. Group 2: Market Dynamics - The PU sole market is characterized by intense competition, with both international giants like Lubrizol and domestic companies such as Huafeng Chemical and Anli Materials actively participating [9][10]. - The production process involves various methods, including low-pressure and high-pressure casting, which contribute to the quality and performance of the soles [4]. Group 3: Industry Trends - Technological innovation is driving product upgrades, with advancements in materials science leading to enhanced functionality, such as improved wear resistance and adaptability to environmental conditions [10][11]. - There is a growing demand for eco-friendly and sustainable PU sole materials, with companies increasingly focusing on the use of bio-based and recycled materials [11][12]. - The trend towards personalized products is rising, particularly among younger consumers, prompting companies to explore customization options and data-driven design solutions [12].