华兰生物(002007.SZ)：公司参股子公司华兰安康与和铂医药合作，主要聚焦肿瘤与自免领域

Group 1 - The core viewpoint of the article is that Hualan Biological (002007.SZ) is collaborating with Heptagon Pharmaceuticals through its subsidiary Hualan Ankang, focusing on the fields of oncology and autoimmune diseases [1] Group 2 - The partnership aims to leverage expertise in the oncology and autoimmune sectors, indicating a strategic move to enhance the company's portfolio in high-growth areas [1]