热威股份：热威医疗专注于医疗加热场景相关产品的研发与生产，相关产品已通过认证并量产

Group 1 - The core point of the article is that Hotway Medical, a wholly-owned subsidiary of Hotway Co., focuses on the research and production of medical heating-related products, which have already been certified and are in mass production [2] Group 2 - An investor inquired about the shareholding ratio of Hotway Medical and the certification status of its products [2] - Hotway Co. confirmed that its medical products have passed certification and are currently being mass-produced [2]