The China Railway Engineering Corporation (CREC) is one of the largest construction and engineering companies in the world, primarily focused on railway and infrastructure projects. Established in 1950, it has played a significant role in the development of China's extensive railway network, including high-speed rail systems. CREC operates globally, engaging in various projects such as roads, bridges, and urban transit systems. The company is known for its expertise in large-scale construction and has contributed to numerous international infrastructure initiatives, enhancing connectivity and economic development in various regions.