易天股份(300812.SZ)：控股子公司微组半导体其设备可应用于半导体器件的封装测试环节，暂未涉及存储芯片

Group 1 - The company, Yitian Co., Ltd. (300812.SZ), specializes in providing flat panel display equipment and semiconductor equipment solutions for clients [1] - The company's subsidiary, Micro Group Semiconductor, offers equipment applicable to the packaging and testing stages of semiconductor devices, but has not yet ventured into storage chips [1]