Company Overview - Hubei Dinglong Holdings Co., Ltd. is a leading platform company in the field of core innovative materials, focusing on two main business segments: semiconductor materials and general printing consumables [2][3]. - The company emphasizes semiconductor innovation materials, covering CMP process materials, photoresists, and advanced packaging materials, establishing itself as a domestic leader in these areas [2][3]. Polishing Liquid Business - The company has achieved significant breakthroughs in polishing liquid technology, including a comprehensive product layout covering dielectric, metal, and polysilicon layers, with several high-barrier products already developed [3][4]. - R&D investment for the first three quarters of 2025 reached CNY 389 million, primarily directed towards semiconductor segments, ensuring robust funding for technological innovation [4][10]. - The polishing liquid products have gained recognition from major domestic wafer manufacturers, with successful orders for combined polishing and cleaning liquid solutions [4][5]. Advanced Photoresist Technology - The company has over 20 years of experience in the import substitution of key materials, establishing a strong technical barrier in high-end photoresist production [5][6]. - It has developed nearly 30 types of high-end photoresists, achieving industry-leading technical specifications and ensuring a stable supply of core raw materials through independent development [6][7]. OLED Display Materials - The core products for OLED display materials, such as yellow polyimide slurry (YPI) and photosensitive polyimide slurry (PSPI), have achieved stable supply and established a leading position in the domestic market [8][9]. - The PSPI product line has a production capacity of 1,000 tons per year, with ongoing development of new high-end display materials [8][9]. Future Product Expansion - The company plans to leverage its seven core technology platforms and four synchronization mechanisms to ensure smooth transitions from R&D to mass production in new product areas [9][10]. - Cumulative R&D investment over the past three years exceeds CNY 1.1 billion, maintaining a ratio of approximately 14% of revenue, which supports new technology development [10].