Core Insights - The Chinese geomembrane industry is experiencing a critical period of scale expansion and structural upgrading, with a projected market size of 13.8 billion yuan in 2024, representing a year-on-year growth of 6.98% driven by demand from water conservancy projects, environmental remediation, and transportation infrastructure [3][5][9]. Industry Development Stages - The development of the geomembrane application in China can be categorized into three stages: 1. The spontaneous application period (1960-1970s) marked by early uses in projects like the PVC film channels in Henan and Shanxi. 2. The promotion period (1980s) where foreign technology was introduced, leading to significant breakthroughs in composite structures. 3. The perfection period (1990s to present) characterized by the widespread use of HDPE geomembranes in major national projects, showcasing the evolution from technical breakthroughs to comprehensive application [4]. Market Size and Growth - The geomembrane market in China is projected to reach approximately 13.8 billion yuan in 2024, with a growth rate of 6.98% attributed to the ongoing demand for high-performance impermeable materials in various sectors, including water conservancy and environmental projects [5][9]. Competitive Landscape - The geomembrane industry in China exhibits a "head concentration, multi-symbiosis" competitive structure, with leading companies like Dezhou Longxiang and Hongxiang New Materials dominating the high-end market through advanced technologies and comprehensive service capabilities [6][9]. Market Trends - Future trends in the geomembrane industry will focus on "high performance, intelligence, and ecological sustainability," driven by technological advancements, green transformations, and global expansion efforts [7].

内容概况：中国土工膜行业正处于规模扩张与结构升级的关键期。2024年，中国土工膜行业市场规模约 为138亿元，同比增长6.98%。这一增长主要得益于水利工程、环境治理、交通基建等下游应用领域对 高性能防渗材料需求的持续释放，以及在环保政策推动下，垃圾填埋场、污水处理等项目建设的加速推 进。同时，行业内部结构也在不断优化，高规格土工膜的占比逐步提升，产品正向功能化、复合化方向 演进，标志着行业从"量"的扩张转向"质"的提升，未来发展潜力可观。 相关上市企业：高能环境（603588）、华信新材（300717） 相关企业：中国石油天然气集团有限公司、中国石油化工集团有限公司、新疆中泰化学股份有限公司、 营口风光新材料股份有限公司、浙江嘉澳环保科技股份有限公司、浙江嘉澳环保科技股份有限公司、江 西黑猫炭黑股份有限公司、广东金明精机股份有限公司、广东金明精机股份有限公司、北京首创生态环 保集团股份有限公司、中国交通建设股份有限公司、中国建筑股份有限公司 关键词：土工膜、土工膜市场规模、土工膜行业现状、土工膜发展趋势 一、行业概述 土工膜是一种由高分子聚合物（如聚乙烯、聚氯乙烯、乙烯-醋酸乙烯共聚物等）制成的防水阻隔型土 ...