罗平锌电：锗精矿的产量主要来源于铅锌矿开采过程中伴生的锗金属含量

Group 1 - The core viewpoint of the article is that the company's germanium concentrate production primarily comes from the germanium metal content associated with lead-zinc mining operations [1] - The revenue contribution from germanium concentrate is detailed in the company's disclosed annual report [1]