“父女档”带队，疫苗企业欧林生物闯关港交所

Core Viewpoint - Company Olin Bio is seeking to list on the Hong Kong Stock Exchange to become an "A+H" listed company, aiming to raise funds for innovative vaccine research and to reduce reliance on its single core product, the adsorbed tetanus vaccine [1][6]. Group 1: Company Overview - Olin Bio was founded by industry veteran Fan Shaowen and his daughter Fan Fan, with a focus on the adsorbed tetanus vaccine as its core product [1][3]. - The company became the first private enterprise in China to produce and sell the adsorbed tetanus vaccine in 2017, which has since become its main revenue source [1][3]. Group 2: Financial Performance - In 2024, Olin Bio achieved a revenue of 589 million yuan, a year-on-year increase of 18.7%, with a net profit of 20.76 million yuan, up 18.2% [3]. - For the first half of 2025, the company reported a revenue of 306 million yuan, representing a year-on-year growth of 35.17%, and a net profit of approximately 13.2 million yuan, marking a turnaround from losses [3]. Group 3: Product and Market Dynamics - The adsorbed tetanus vaccine accounted for over 90% of the company's revenue in 2024, with sales reaching 536 million yuan, a 15.7% increase from the previous year [3]. - The company faces challenges from increasing competition in the vaccine market, despite having a first-mover advantage as the first private producer of the adsorbed tetanus vaccine [3][6]. Group 4: Research and Development - Olin Bio is developing four new Class 1 vaccines, including a recombinant Staphylococcus aureus vaccine and an oral recombinant Helicobacter pylori vaccine, with clinical trials planned for 2026 [4]. - The company has faced funding challenges, with a net cash flow from operating activities of -9.73 million yuan in 2024, indicating ongoing financial pressure [5][6]. Group 5: IPO and Market Conditions - The company has recently attempted to raise funds through a private placement, which was terminated due to market conditions and stock price fluctuations [5]. - Olin Bio plans to issue up to 25% of its total share capital in H-shares to fund research, production upgrades, and international expansion, but faces uncertainty regarding market acceptance due to its reliance on a single product and cash flow issues [6].