中文：

中国中铁是国务院国有资产监督管理委员会管理的中央企业，属于副部级。中国中铁是中国铁路工程行业的龙头企业，主要从事铁路、公路、桥梁、隧道等基础设施建设业务。

中国中铁的总部设在北京，其前身是成立于1950年的铁道部工程总局和设计总局，是中国最早的铁路建设企业和设计企业之一。中国中铁在国内外拥有大量的工程项目和在建工程，其业务遍布全球多个国家和地区。

作为中央企业，中国中铁在国家经济发展中扮演着重要的角色。它不仅承担着国家重点工程项目建设的重要任务，还积极参与到“一带一路”倡议中，为中国的“走出去”战略做出了积极贡献。

总的来说，中国中铁是一家历史悠久、实力雄厚的中央企业，在中国铁路工程行业中具有举足轻重的地位。

英文：

China Railway Engineering Corporation (CREC) is a central enterprise under the management of the State-owned Assets Supervision and Administration Commission of the State Council, which belongs to the deputy ministerial level. CREC is the leading enterprise in China's railway engineering industry, mainly engaged in infrastructure construction such as railways, roads, bridges, tunnels, etc.

The headquarters of CREC is located in Beijing. Its predecessor was the Engineering and Design Bureau of the Ministry of Railways, which was established in 1950. It is one of the earliest railway construction and design enterprises in China. CREC has a large number of projects and construction projects at home and abroad, and its business is located in many countries and regions around the world.

As a central enterprise, CREC plays an important role in national economic development. It not only undertakes important tasks in national key engineering project construction, but also actively participates in the "Belt and Road" initiative to make positive contributions to China's "going out" strategy.

Overall, CREC is a time-honored and strong central enterprise with an important position in the railway engineering industry in China.