Shenzhen Neptunus Interlong Bio-technique Company Limited (8329.HK) engages in the research, development, manufacturing, and sale of medicines and medical devices in China. The company produces pharmaceuticals targeting oncology, cardiovascular, respiratory, digestive systems, and mental disorders; it also handles sales and distribution of medicines, healthcare food products, and medical devices through two main segments: manufacturing and selling of medicines/medical devices, and sales/distribution of medicines, healthcare products, and medical devices. Incorporated in 2002 and headquartered in Shenzhen with a listed office in Quarry Bay, Hong Kong, it primarily serves the domestic Chinese market and operates as a subsidiary of Shenzhen Neptunus Bio-engineering Company Limited. Recent developments include the announcement of a New Neptunus Group Sales Framework Agreement in late 2025 for ongoing transactions with related parties, alongside termination of a controlling shareholder's shareholding change in 2024 and release of 2024 annual results showing revenue of approximately HK$1.09 billion. The company maintains about 1,470 employees and focuses on biological technology R&D amid subdued growth and stock performance fluctuations in the pharmaceuticals sector.