Peng As of May 3, 2023, official website, the 18th Bureau of China Railway, was appointed as the chairman of China Railway 18th Bureau Group Co., Ltd. from May 20, 2003 to May 0, 2002, and served for five years. Later, Yan Guangtian served as the chairman of China Railway 18th Bureau. China Railway 18th Bureau Group Co., Ltd. (hereinafter referred to as China Railway 18th Bureau) is the first batch of special-grade enterprises for general contracting of engineering construction in China, with the qualification of contracting projects abroad and the right to operate abroad.