Group 1 - The company, Peking University Pharmaceutical, primarily engages in the research, production, and sales of chemical generic drug formulations, as well as pharmaceutical distribution [1] - The pharmaceutical manufacturing segment focuses on key areas such as anti-infection, analgesics, mental health, and chronic disease management [1] - The company's cloud star cloud fungus intracellular glycopeptide oral solution is a national pharmacopoeia standard drug developed by the company, serving as an auxiliary treatment for chronic hepatitis B and liver cancer, and is also applicable for individuals with weakened immune functions [1]