【金牌纪要库】2026年长鑫、长存存储芯片产能至少扩大一倍，这几家半导体设备厂商为可提供价值量最高的刻蚀和薄膜沉积设备

Group 1 - The core viewpoint of the article emphasizes the anticipated strong growth in storage device demand by 2026, with companies Changxin and Changcun planning to double their production capacity [1] - Semiconductor equipment manufacturers are expected to provide the highest value etching and thin film deposition equipment to meet the growing demand [1] - As the structure of storage chips becomes more complex and the number of layers increases, the demand for quality control in testing equipment is also expected to rise significantly [1] Group 2 - Two companies are highlighted for providing relevant equipment for the backend testing of storage devices [1] - The article notes that the domestic production rate of semiconductor materials such as photoresists and wet electronic chemicals is currently low, but there is a strong trend towards increased localization in the future [1] - One company is identified as a leading domestic supplier of photoresist precursor materials, having successfully onboarded multiple overseas giant clients [1]