航天电子：公司子公司北京时代民芯科技有限公司的芯片产品主要用于航天领域

Group 1 - The core viewpoint of the article is that Aerospace Electronics (600879) has clarified the application of its subsidiary's chip products, indicating a focus on the aerospace sector with some usage in industrial fields [1] Group 2 - The subsidiary, Beijing Times Minxin Technology Co., Ltd., primarily produces chips for the aerospace industry [1] - A smaller portion of the chip products is utilized in instruments and industrial applications [1]