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Ms. Zhenzhen Sun is Independent Director of Shenzhen Senior Technology Material Co. Ltd. from December 29, 2023. Ms. Sun joined the Shenzhen Senior Technology Material Co. Ltd. in December 2023. Ms. Sun is primarily responsible for providing independent advice and judgment to the Board. Ms. Sun has been serving as Secretary-General of the Standardisation Technical Committee of Shenzhen Polymer Industry Association since 2020. Prior to this role, Ms. Sun served as Head of the R&D Department at Shenzhen Esun Industrial Co., Ltd. from July 2011 to May 2013. Ms. Sun obtained her bachelor’s degree in Chemical Engineering and Technology from Wuhan University of Technology in June 2008 and her master’s degree in Materials Processing from Chongqing University of Technology in June 2011. Ms. Sun was accredited as a Senior Engineer in Polymer Chemistry by the Shenzhen Municipal Human Resources and Social Security Bureau.