Guangdong Zhongsheng Pharmaceutical Co., Ltd. is a Chinese company engaged in the research, development, production, and sale of pharmaceutical drugs. Its product portfolio includes tablets such as onradir, Leretevir, compound danshen, Cefixime Dispersible, Pyrazinamide, Ethambutol Hydrochloride, Ribavirin, loratadine, and isoniazid; compound thromboplastin series, Zhong Sheng Wan series, and heat-clearing and dampness-removing granules; NaoShuanTong, Cefadroxil, Rifampicin, and omeprazole enteric-coated capsules; oral solutions of carbocysteine, Ambroxol Hydrochloride, and Clomastine fumarate; sucralfate oral suspension; reba pat film; and eye drops including Azalastine Hydrochloride, Praprofen, Diquafosol Sodium, and Cyclosporine. The company also focuses on respiratory antiviral, ophthalmology, cardiovascular and cerebrovascular endocrinology, anti-infection, digestion, and anti-allergy fields. Founded in 2001, it is headquartered in Dongguan, China.