What is Li Youguang's position? Independent director of Sansheng Co., Ltd.

Mr. Li Youguang: Male, born in March, 1957, Han nationality, China nationality, with no permanent residency abroad. Bachelor degree, member of Jiu San Society. Associate Professor, School of Materials, Chongqing University. His research interests are cement concrete development, engineering application and project management. As Mr. Li Youguang has not yet obtained the qualification certificate of independent director, he has submitted a written commitment to the company and Shenzhen Stock Exchange to participate in the latest training for independent directors and obtain the qualification certificate of independent director.