证券日报网讯 云南锗业8月27日在互动平台回答投资者提问时表示，公司子公司生产的光伏产品为太阳 能电池用锗单晶片，主要运用于生产太阳能锗电池等；太阳能锗电池具有光电转换效率高、性能稳定等 特点，多用于空间飞行器（如卫星）等领域。该子公司"空间太阳能电池用锗晶片建设项目"是在原有产 线的基础上扩建、提升产能，该类产品已经批量供应下游客户多年，产品性能指标均能较好满足下游市 场需求。 （编辑 王雪儿） ...

Core Viewpoint - The company is actively involved in the commercial aerospace sector through its production of solar-grade germanium wafers, which are utilized in satellite solar cells, indicating a strategic alignment with future aerospace demands [2]. Group 1: Business Operations - The company has provided solar-grade germanium wafers for the initial batch of satellites in the "Thousand Sails Constellation" project, highlighting its role in the aerospace industry [2]. - The company plans to invest 282 million yuan in a project to produce solar cells using germanium wafers, aiming for an annual production capacity of 2.5 million wafers by the end of 2025 [2]. Group 2: Product Characteristics - Solar germanium batteries produced by the company are noted for their high photoelectric conversion efficiency and stable performance, making them suitable for use in spacecraft such as artificial satellites [2]. Group 3: Future Plans - The construction project for solar cells using germanium wafers is designed to meet current customer demands and align with future downstream trends, with a construction period of 18 months [2]. - Upon completion, the project is expected to achieve an annual production capacity of 2.5 million germanium wafers, indicating a significant potential for revenue generation in the future [2]. Group 4: Research and Development - The company does not have ongoing research projects related to germanium-tin alloys, and its main R&D projects and progress are disclosed in annual reports [2].