The listed company that produces Lanqin Oral Liquid is Yangzijiang Pharmaceutical Group Co., Ltd. Lancen Oral Liquid is an exclusive product of Yangtze River Pharmaceutical Group. In addition to being used as a medicine for strep throat, it has also been designated by the former Ministry of Health as a recommended Chinese patent medicine for the treatment of common cases of hand, foot and mouth disease. Yangtze River Pharmaceutical Group Jiangsu Pharmaceutical Co., Ltd. is a large national pharmaceutical enterprise group that spans regions, combines industry, academia and research, and integrates science, industry and trade. It is also one of the first innovative enterprises in the country named by the Ministry of Science and Technology.