云南锗业(002428.SZ)：光伏级锗产品为太阳能电池用锗晶片，主要运用于生产太阳能锗电池等

Core Viewpoint - Yunnan Germanium (002428.SZ) produces photovoltaic-grade germanium products, primarily used in solar germanium wafers for solar cells, which are known for their high photoelectric conversion efficiency and stable performance, particularly in aerospace applications such as satellites [1] Company Summary - The company's photovoltaic-grade germanium products are specifically designed for solar cell production [1] - Solar germanium cells are characterized by high efficiency and stability, making them suitable for use in spacecraft [1]