What kind of business does Maidon do? Independent Director of Weiss Medical

Meidong: male, born in 1969, Chinese nationality, no foreign permanent residence, bachelor's degree, economist.From December 2008 to August 2010, served as general manager of the financial development department of Nanjing High-tech Economic Development Corporation, and served as head of the Zhenjiang branch of Jiangsu Provincial Credit Collection Company Limited; from September 2013 to the present, served as deputy general manager and secretary of the board of directors of Chengmai Science and Technology (Nanjing) Company Limited; from December 2018 to the present, served as director of Hongyi Jianzhi (Nanjing) Technology Co. Secretary of the Board of Directors; from December 2018 to present, he has been a director of Nanjing Xinlixun Technology Company Limited; from December 2018 to present, he has been a director of Hongyi Jianzhi (Nanjing) Technology Company Limited; from January 2019 to present, he has been a director of Brain Valley Artificial Intelligence Research Institute (Nanjing) Company Limited; from June 2017 to present, he has been an independent director of the Company.