Min Shan® teapills have been produced at the Lanzhou Foci Pharmaceutical Co. Ltd, since 1929. They pioneered the manufacturing of extracted
teapills, and their products are the genuine and original “Lanzhou Pills”. Their domestic and internationally GMP certified factory and products have won numerous awards for quality and excellence. Each batch of Min Shan® teapills is tested for microbials, heavy metals, and a host of other important quality control parameters.
See this link for more information on products labeled with the California Prop 65 Statement.