Qingdao Donghai Pharmaceutical

Qingdao Donghai Pharmaceutical is a leading Chinese pharmaceutical company specializing in the research, development, and manufacturing of micro-ecological medicines and probiotics. Founded in 1996 by Dr. Cui Yunlong, the company has established itself as a pioneer in the field of gut health, focusing on the therapeutic application of beneficial bacteria. Its core product portfolio includes well-known brands such as Alete (Clostridium butyricum) and Changlexin, which are indicated for various gastrointestinal disorders including diarrhea, enteritis, and dysbacteriosis. The company operates a large-scale, GMP-certified production base in Qingdao, utilizing advanced anaerobic fermentation and stabilization technologies. Qingdao Donghai Pharmaceutical is recognized as a national high-tech enterprise and maintains a strong focus on clinical research through its dedicated micro-ecological medicine research institute. Their products are widely distributed across hospitals and pharmacies throughout China, addressing critical needs in both adult and pediatric digestive health.