云南锗业：子公司生产的光伏产品为太阳能电池用锗单晶片

Core Viewpoint - Yunnan Zheye's subsidiary produces photovoltaic products, specifically germanium monocrystals for solar cells, which are primarily used in high-efficiency solar germanium batteries for applications in space vehicles like satellites [1] Group 1: Company Overview - The subsidiary's project for germanium crystal production for space solar batteries is an expansion and enhancement of existing production lines [1] - The products have been supplied in bulk to downstream customers for several years, indicating a stable market presence [1] Group 2: Product Characteristics - Solar germanium batteries are noted for their high photoelectric conversion efficiency and stable performance [1] - These batteries are predominantly utilized in specialized fields such as space exploration [1]