Mr. Zeng started his career in LiuGong Machinery Co., Ltd. as an engineer in 1985. From 1992 to 1995, he was Vice Director of the Chief Engineer Office in the company. Subsequently in 1995, Mr. Zeng was appointed CFO & Vice President and promoted to President in July 1999. He became the 7th Chairman of Guangxi Liugong Machinery Co., Ltd. in January 2014 until now. He was Chairman of Guangxi Liugong Group Co., Ltd. from November 2014 until December 2020. He was appointed Chairman of Guangxi Liugong Machinery Group Co., Ltd. in November 2019 and CEO of Guangxi Liugong Machinery Co., Ltd. in January 2021. Mr. Zeng Guang’an is the Vice President of China Building Materials Federation; the Vice Executive Biographies Update: 2025/01/13 Page 2 / 2 Guangxi Liugong Machinery Co., Ltd. www.liugong.com President of China Construction Machinery Industry Association and the President of Excavation Machinery Branch; the Vice President of China Cement Association; the Special Tutor of China Belt and Road Initiative, and has lectured on the internationalization of Chinese enterprises in the EMBA class of Tsinghua University and China Europe Business School. Mr. Zeng Guang’an also serves as Vice President of China Chamber of International Commerce Guangxi Branch, Vice Chairman of the Guangxi Zhuang Autonomous Region Youth Federation, Member of Guangxi Academy of Sciences Expert Committee. In August 2010, he served as member of the 11th Liuzhou Committee of the China Communist Party and was elected to the representative of Guangxi Autonomous Region People's Congress in 2012 and deputy of the National People's Congress in 2018. Mr. Zeng received his bachelor’s degree in mining machinery and master’s degree in Technical Economy Management from Chongqing University.