国晟科技：截至目前，公司光伏产品业务未涉及航天卫星领域，未与航天科技集团等开展合作

Group 1 - The company, Guo Cheng Technology (国晟科技), specializes in the research, production, and sales of large-size high-efficiency heterojunction (HJT) solar cells and components, including HJT, TOPCON, and PERC technologies [2] - HJT components are primarily used in centralized power plants, distributed power plants, and rooftop power plants [2] - Currently, the company's solar products do not cater to the aerospace satellite sector, and there are no collaborations with aerospace technology groups [2]