Formal. Qishantang Brand is an enterprise approved by the Provincial People's Government to operate and produce. It has a legal business license and the products it produces also meet the production qualification standards stipulated by the state. Qishantang is an independent trademark intellectual property owned by Yunchuang (Henan) Biotechnology Co., Ltd. It was approved by the National Trademark Office of the People's Republic of China and is mainly engaged in patches, Chinese herbal medicines, medicinal pillows, medicinal plant roots, Medical nutrition, disinfectants, medicinal tea, moxa rolls, etc.