Core Viewpoint - Changdian Technology (600584) emphasizes its leading position in the packaging and testing services for various storage chip products, including DRAM and Flash, backed by over 20 years of mass production experience in storage packaging [1] Group 1 - The company offers packaging and testing services that cover a wide range of storage chip products [1] - Changdian Technology has over 20 years of experience in mass production of storage packaging [1] - The company is committed to enhancing advanced packaging development in the storage sector [1]