Mr LIU Chengyun started working in August 1989, and joined the Communist Party of China in January 1988. He received university education and has a master's degree. He is a senior economist and senior engineer. From October 1991, he served successively as Deputy Manager of the Soft Foundation Company of the Research Institute of the Fourth Harbor Engineering Bureau, Manager of the New Technology Engineering Company, Executive Deputy Manager of the Geotechnical Company, Deputy Director of the Business Department, Manager of the Market Development Department, Deputy General Manager of the Fourth Harbor Engineering Bureau, and Deputy General Manager of CCCC Investment Co., Ltd. From July 2013, he served successively as General Manager, Temporary Party Secretary, and Chairman of CCCC (Nansha) Investment Development Co., Ltd., Chairman, General Manager, and Party Secretary of CCCC Urban Investment Holding Co., Ltd., Chairman of CCCC Foshan Investment Development Co., Ltd., General Manager and Secretary of the Party Working Committee of South China Regional Headquarters of China Communications Construction Company Limited (CCCC). From January 2018, he served successively as General Manager of CCCC Strategic Development Department, General Manager of Strategic Development Department of China Communications Construction Group (CCCG), and General Manager of Strategy and Operation Management Department, and General Manager of Investment Division of CCCC. In December 2020, he served as Head of Board Office (Strategic Development Department, Reform Office and Appointed Directors’ Office) and General Manager of Investment Management Department of CCCG and CCCC. In February 2021, he served as Assistant General Manager of CCCG and concurrently as Party Secretary, Chairman and General Manager of Shanghai Zhenhua Heavy Industries Co., Ltd. In August 2022, he served as Member of the Party Committee, and Assistant General Manager of CCCG and concurrently as Party Secretary and Chairman of Shanghai Zhenhua Heavy Industries Co., Ltd. Since June 2023, he has served as Permanent Member of the Party Committee and Deputy General Manager of CCCG. Mr LIU was appointed as the chairman of the Board and a non-executive Director of the Company on 26 March 2025.