尤洛卡：长春继珩作为师凯科技的子公司，其主要业务是为师凯科技的产品提供相关配套和服务

Core Viewpoint - Youloka (300099) is focusing on market and industrialization opportunities in the commercial aerospace sector, despite its subsidiary Changchun Jiheng not generating business revenue from its involvement in the "Jilin-1" satellite lens project [1] Group 1 - Changchun Jiheng is a subsidiary of Shikai Technology, primarily providing related support and services for Shikai Technology's products [1] - The company participated in the research and production of a complete set of "Jilin-1" satellite lenses, but this did not lead to any business revenue [1] - There are no current plans for industrialization from Changchun Jiheng regarding the satellite lens project [1]