Beijing Science Sun Pharmaceutical Co., Ltd. is a biopharmaceutical company founded in 1999 and headquartered in Beijing, China. It researches, develops, produces, and sells injections for cardiovascular, cerebrovascular, immunomodulation, and nervous system applications, as well as other drugs. The company also manufactures raw materials, solid oral preparations, tablets, hard capsules, powders, granules, and active pharmaceutical ingredients, and is involved in traditional Chinese medicine extraction and health products. Additionally, it engages in venture capital, equity investment through private equity funds, technology development and transfer for biological products, pharmaceuticals, diagnostic reagents, and medical devices, and research and development of human vaccines.