艾森股份：公司前期研发投入产品已陆续通过验证或实现量产

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]