云鼎科技(000409.SZ)：主营业务不涉及航天领域

Core Viewpoint - Yunding Technology (000409.SZ) focuses on providing comprehensive solutions and services for the digital transformation of energy enterprises, including coal, chemical, electric power, and new energy sectors, and does not engage in the aerospace field [1] Group 1 - The company specializes in information technology, intelligence, and digital transformation solutions [1] - The main business does not involve the aerospace sector [1]