公司代码：600520 公司简称：三佳科技 产投三佳（安徽）科技股份有限公司 产投三佳（安徽）科技股份有限公司2025 年半年度报告 重要提示 一、 本公司董事会、监事会及董事、监事、高级管理人员保证半年度报告内容的真实性、准确 性、完整性，不存在虚假记载、误导性陈述或重大遗漏，并承担个别和连带的法律责任。 二、 公司全体董事出席董事会会议。 三、 本半年度报告未经审计。 四、 公司负责人裴晓辉、主管会计工作负责人昌望及会计机构负责人（会计主管人员）胡凯声 明：保证半年度报告中财务报告的真实、准确、完整。 五、 董事会决议通过的本报告期利润分配预案或公积金转增股本预案 无。 六、 前瞻性陈述的风险声明 √适用 □不适用 本半年度报告包括前瞻性陈述。除历史事实陈述外，所有本公司预计或期待未来可能或即将 发生的业务活动、事件或发展动态的陈述（包括但不限于预测、目标、估计及经营计划）都属于 前瞻性陈述。受诸多可变因素的影响，未来的实际结果或发展趋势可能会与这些前瞻性陈述出现 重大差异。本半年度报告中的前瞻性陈述为本公司于2025年8月26日作出，本公司没有义务或责任 对该等前瞻性陈述进行更新，亦不构成公司对投资者的 ...

Core Insights - The hot melt adhesive machine is a key device in various industries such as packaging, construction, automotive, and electronics, significantly enhancing production efficiency, reducing costs, and improving product quality [1][15] - The market demand for hot melt adhesive machines is continuously growing, driven by the global trend towards intelligent, green, and service-oriented manufacturing, as well as increasing environmental awareness and regulations in China [1][15] - The market size of China's hot melt adhesive machine industry is projected to reach approximately 2.08 billion yuan in 2024, indicating substantial growth potential in the coming years [1][15] Industry Overview - Hot melt adhesive machines are electro-mechanical devices that melt solid hot melt adhesives and apply them to substrates through various methods, including spraying and rolling [3] - The industry has evolved since the mid-1980s, initially used in small sectors like cosmetics, and has expanded to packaging and high-end applications in automotive and electronics due to advancements in control technology [5] Industry Development History - The introduction of hot melt adhesive machines in China began in the mid-1980s, with local manufacturers emerging in the 1990s, leading to broader applications across various industries [5] - Modern hot melt adhesive machines now feature intelligent and multifunctional characteristics, with temperature control precision reaching ±1°C [5] Industry Supply Chain - The upstream of the hot melt adhesive machine industry includes raw materials such as steel, aluminum, and copper, as well as core components like heating elements and control systems [7] - The downstream applications encompass a wide range of sectors, including home goods, automotive, household appliances, and packaging [7] Steel Industry Insights - Steel is a fundamental raw material for hot melt adhesive machines, with production in China increasing from 1.05 billion tons in 2017 to an estimated 1.4 billion tons in 2024, reflecting a compound annual growth rate of 4.2% [9] - The demand for high-performance specialty steel is expected to support the development of high-end equipment manufacturing, including hot melt adhesive machines [9] Automotive Industry Applications - The automotive sector is a significant application area for hot melt adhesive machines, used in interior assembly and component bonding, with production and sales of vehicles in China projected to grow in 2024 [10] - The trend towards lightweight vehicles and the adoption of new materials will further expand the application of hot melt adhesive technology in automotive manufacturing [10] Market Trends - The hot melt adhesive machine industry is moving towards smart manufacturing, integrating advanced sensors and IoT technology for real-time monitoring and optimization [26] - Automation is a core trend, emphasizing full-process automation to reduce manual errors and enhance production efficiency [27][28] - Precision is increasingly important, with high-end manufacturing requiring micro-level adhesive application and improved temperature control for consistent bonding [29]