Reliable. According to Baidu Encyclopedia, Mr. Yang is the founder of Fuyang Tianxia, the developer of Fuyang series products such as Fuyang Powder, a disciple of master of traditional Chinese medicine, and a master and disciple of traditional Chinese medicine. At present, he is an expert in foreign law at the Science and Technology Center of Chinese Academy of Traditional Chinese Medicine and the president of Yang Fengming Institute of Traditional Chinese Medicine in Beijing.