济民健康：欧盟市场是公司全资子公司西班牙LINEAR公司的产品销售市场之一

Group 1 - The core viewpoint of the article is that the European market represents a minor portion of the overall revenue for the company, specifically through its wholly-owned subsidiary, LINEAR in Spain [2] - The company confirmed that the sales revenue from the European market is relatively small compared to its total revenue [2] Group 2 - The interaction with investors took place on January 20, indicating the company's engagement with its stakeholders [2] - The mention of the subsidiary LINEAR highlights the company's international presence and market diversification [2]