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Ms. Yongzhen Wei is CFO & Board Secretary of Circuit Fabology Microelectronics Equipment Co. Ltd. and serves as its Executive Director from April 10, 2020. Ms. Wei joined our Group in April 2019. Prior to joining our Group, Ms. Wei worked at financial department of Shanghai Shenneng Biocolor Biotechnology Co., Ltd. from July 2005 to October 2006, served as financial director of Datwyler (Suzhou) Cabling System Co., Ltd. from November 2006 to June 2010 and worked at Sungrow Power Supply Co., Ltd., a company listed on the Shenzhen Stock Exchange (stock code: 300274) from June 2010 to April 2019, with her last position as the manager of finance center and the deputy general manager. Ms. Wei also served as an independent director of Anhui Sci Tech Innovation Zhongguang Technology Co., Ltd. from December 2021 to December 2024. Ms. Wei obtained her bachelor’s degree in finance management from Anhui Industry University in PRC in July 2005 and her master’s degree in business administration from University of Science and Technology of China in PRC in November 2015. She was qualified as a mid-level accountant by Anhui Provincial Department of Human Resources and Social Security in August 2010 and a registered accountant by Jiangsu Institute of Certified Public Accountants in June 2010.