Mr. SU, who was born in September 1954, has been an independent non-executive Director of the Company since March 2007. He was an assistant professor in 1996 and subsequently an associate professor in the Department of Accountancy of City University of Hong Kong. He has joined China Europe International Business School (CEIBS) since July 2010 as a professor of accounting. His research focuses on corporate governance and auditing practices of PRC listed companies. He has also been appointed as the special researcher by the CICPA since 2005. He has given lectures at the China Securities Regulatory Commission, the Shanghai Stock Exchange, the Shenzhen Stock Exchange, major commercial banks and various universities in China. He was an independent director of World Union Property Consultancy (China) Limited (a company listed on the Shenzhen Stock Exchange, stock code: 002285) from 2007 to 2013, and an independent director of Huazhong Invehicle Holdings Company Limited (stock code: 06830) from 2011 to 2013. From 2010 to 2016, he served as an independent director of Sundy Land Investment Co., Ltd. (a company listed on the Shanghai Stock Exchange, stock code: 600077). From 2011 to 2017, he served as an independent director of Shenzhen Ellassay Fashion Co., Ltd. (a company listed on the Shanghai Stock Exchange, stock code: 603808), and from 2014 to 2017, he served as a non-executive director of Jiangsu Changbao Steel Tube Co., Ltd. (a company listed on the Shenzhen Stock Exchange, stock code: 002478). Mr. SU has been serving as an independent director of Industrial Bank Co., Ltd. since 2017, an independent director of Opple Lighting Co., Ltd. (a company listed on the Shanghai Stock Exchange, stock code: 603515) since June 2018, and an independent director of Oriental Pearl Media Co., Ltd. (a company listed on the Shanghai Stock Exchange, stock code: 600637) since May 2021. Mr. SU has over 25 years of experience in corporate governance and accounting practice. Mr. SU earned a bachelor's degree in Accounting from Xiamen University in 1982. He obtained his PhD degree from Concordia University of Canada in 1996.