云南锗业：公司的光伏级锗产品为太阳能电池用锗晶片

Group 1 - The core viewpoint of the article is that Yunnan Zhenye (002428) has confirmed its production of photovoltaic-grade germanium products, which are primarily used in solar germanium batteries [1] - The company's germanium products are utilized in the manufacturing of solar germanium batteries, which are known for their high photoelectric conversion efficiency and stable performance [1] - Solar germanium batteries are mainly applied in fields such as space vehicles, including satellites [1]