从进口垄断到国产主导，干膜光刻胶领军企业迎来 IPO！

Core Viewpoint - Hunan Chuyuan New Materials Co., Ltd. (Chuyuan New Materials) is entering the IPO stage, marking a significant step for a leading domestic dry film photoresist company in the sensitive materials and specialized electronic chemicals sector [1][4]. Company Overview - Chuyuan New Materials, originally known as Wujing High-Tech, was established in November 2017 and has no controlling shareholder, with the largest shareholder holding 23.31% [4]. - The actual controller, Xiao Zhiyi, holds 69.92% of the voting rights [4]. Industry Position - Chuyuan New Materials has successfully broken the foreign monopoly in the dry film photoresist field, filling a domestic gap and creating the first domestic PCB photoresist industry chain [6]. - The company has developed over 40 patented technologies and offers more than 30 product models that cover the entire PCB manufacturing process [6]. - Currently, Chuyuan New Materials holds over 55% of the domestic dry film market share, providing quality products and services to many of the world's top 10 PCB companies and over 80% of domestic listed PCB companies [6]. Product Details - Dry film photoresist, also known as photosensitive dry film, is a high polymer material that undergoes polymerization upon UV exposure, forming a stable substance that adheres to the board surface, crucial for PCB manufacturing [6][8]. - The main components of dry film photoresist include polyethylene film (PE), photoresist film (sensitive layer), and polyester film (PET) [8]. - The technology involved in dry film photoresist has high entry barriers due to significant equipment investment and high technical requirements, resulting in a concentrated industry [8]. Upcoming Events - The 2025 TrendBank (Fifth) Lithography Industry Conference will be held on July 9-10 in Hefei, aiming to gather experts, scholars, and industry elites to discuss advancements, challenges, and solutions in lithography technology and materials [1][6].