China Railway Group has always been serving the role of the backbone of China's infrastructure construction. It has made difficult explorations and forged ahead. It has promoted and witnessed the development of China's railway construction from scratch, from small to large and from weak to strong. It improved China and even the world's transportation infrastructure and made contributions to the development of the human society. Currently, China Railway Group Limited is the world's leading integrated construction group. In 2007, it was listed in Shanghai Stock Exchange and Hong Kong Stock Exchange. At present, it owns 55 subsidiaries and 290,000 employees, with business scope covering all fields of infrastructure construction. In 2020, the Company's total assets reaches RMB 1,200.12 billion and net assets are RMB 255.34 billion. In 2020, the Company recorded total value of newly-signed contracts of RMB2,605.66 billion and total revenues of RMB974.75 billion, and realized net profit attributable to the parent company of RMB25.19 billion. It is the second largest construction contractor in the world according to ENR's "Top 250 Global Contractors", ranking 35th in the top 500 companies in the world and 10th in the top 500 Chinese enterprises.