Li Yangde: Hong Kong, China, born in 1959, master's degree. Mr. Li Yangde founded Yi'an Co., Ltd. in 1993. Currently the chairman of the company, he is also an expert of the Scientific and Technological Achievement Transformation Collaboration Working Committee of the China High-tech Industrialization Research Association, an assistant instructor for doctoral students at the University of Science and Technology Beijing, a part-time professor at Huazhong University of Science and Technology and Ningxia University of Science and Technology, a visiting professor at Xiangfan University, and a distinguished professor at Jiamusi University. , professor at South China University of Technology, director of the first council of the Chinese Biomaterials Society. He has won honors such as China's Outstanding Entrepreneur (selection by China Economic and Trade Association Promotion Association), Dongguan City Honorary Mayor Award, etc. In March 2008, he was selected into the "China Patent Inventors Yearbook".