Core Viewpoint - The company is focused on the domestic substitution process of "bottleneck" products, particularly in the field of photoresists, and has achieved mass production of advanced packaging photoresists and PSPI photoresists [2] Group 1: Product Development - The company has successfully mass-produced photoresists, including advanced packaging photoresists and PSPI photoresists [2] - Ongoing research and testing include high aspect ratio KrF photoresists and ICA chemical amplification photoresists [2] Group 2: Supply Chain Control - The key raw materials for the company's high-end photoresist products are self-researched and self-produced, ensuring supply chain autonomy and control [2]

（文章来源：证券日报） 证券日报网讯 12月4日，艾森股份在互动平台回答投资者提问时表示，公司毛利率受原材料、产品结 构、规模效益等多种因素的影响。随着公司在晶圆制造和先进封装领域产品和业务的不断突破，公司高 毛利产品占公司整体收入的比例将持续提升，从而推动公司毛利率稳步提升。 ...

Core Viewpoint - The company, Aisen Co., has confirmed that its past R&D investments have focused on advanced packaging and wafer manufacturing, specifically in the areas of plating solutions and photoresists, with products having passed validation or achieved mass production [1] Group 1 - The company has been investing in R&D for advanced packaging and wafer manufacturing [1] - The R&D efforts have included products such as plating solutions and photoresists [1] - Products developed from previous R&D investments have either passed validation or reached mass production [1]

证券日报网讯12月4日，艾森股份在互动平台回答投资者提问时表示，公司5-14nm先进制程超高纯硫酸 钴基液产品处于量产阶段，公司也在积极对接其他有意向的客户。 ...

证券日报网讯12月4日，艾森股份在互动平台回答投资者提问时表示，目前公司客户的回款情况良好。 应收账款与公司的信用政策、客户结构及行业特性有关。公司在业务运营中会持续关注并管理应收账款 情况，加强回款管理，以改善应收账款周转率。 ...

Group 1 - The core viewpoint of the article is that Aisen Co., Ltd. is making progress in the testing and validation of its positive PSPI photoresist with multiple wafer customers, and has increased production capacity based on market demand [1] Group 2 - Aisen Co., Ltd. has successfully passed validation with some customers for its positive PSPI photoresist [1] - The company is actively responding to market demand by expanding its production capacity [1]

Core Viewpoint - The company is leveraging continuous technological breakthroughs and product structure optimization to establish strategic partnerships with clients, effectively responding to industry cycles [1] Group 1 - The company is actively engaging with investors through interactive platforms to address inquiries [1] - The company emphasizes the importance of strategic cooperation with clients as a means to navigate industry fluctuations [1]

证券日报网讯12月4日，艾森股份在互动平台回答投资者提问时表示，公司已有多款产品率先实现国产 替代，并逐步在半导体电镀及光刻领域实现覆盖全工艺环节的产品布局。随着我国半导体产业的蓬勃发 展，及半导体供应链安全政策的明朗，公司产品将迎来量价齐升的机会。 ...

Core Viewpoint - The company, Aisen Co., has a current production capacity of 16,000 tons, primarily supporting the large-scale supply of core products such as photoresists and electroplating solutions [1] Production Capacity - The existing capacity of 16,000 tons is aimed at meeting the demands for key products [1] - The company plans to optimize its production layout based on customer collaboration rhythms, market demand forecasts, and supply chain efficiency [1]

证券日报网讯 12月4日，艾森股份在互动平台回答投资者提问时表示，面对国内外市场的挑战，公司通 过技术创新和产品开发，产品性能指标已达到国际一流水准，多款产品成功打破国外厂商长期垄断的市 场格局，跻身国内第一梯队供应商行列。公司将继续加大研发投入，提升科技成果转化和产业化水平， 以保持产品和技术的竞争力。 （编辑 丛可心 袁冠琳） ...