Hebei Shanmushi Pharmaceutical Co., Ltd. is a comprehensive pharmaceutical enterprise that integrates research and development, production, and sales. Its production address is located in Zhao County, Shijiazhuang, and it has two production plants, the South Factory and the North Factory. The production scope includes three parts: chemical drugs (raw materials, preparations), traditional Chinese medicine, and medicinal auxiliary materials, covering a total area of more than 120 acres. Hebei Shanmushi Pharmaceutical Co., Ltd. has the core technology of oral solid sustained-release, and has developed new products such as "Metformin Hydrochloride Extended Release Tablets" and "Omeprazole Enteric Coated Capsules" using this technology as a carrier.