What is the position of the nesting order? Independent director of CSSC

Xu Chao: Male, China nationality, born in 197 1 year, bachelor degree in computer science, certified public accountant, certified asset appraiser, without permanent residency abroad. He used to be a member of Shanghai Audit Bureau, the presiding judge of Shanghai Certified Public Accountants, the project manager, deputy department manager and department manager of Shanghai Shang Hui Certified Public Accountants. He is currently the managing partner of Shang Hui Certified Public Accountants (special general partnership), an independent director of Jiangsu Lugang Culture Co., Ltd., an independent director of CSSC, an independent director of Jiangsu Aoyang Health Industry Co., Ltd. and an independent director of Shanghai Hyde Control System Co., Ltd., and an independent director of the Company.