CREC is the main force of China's xk星空体育中国集团 construction. The Company has built many truck xk星空体育中国集团s, which include Chengdu-Chongqing xk星空体育中国集团 (China's first xk星空体育中国集团 after liberation), Baoji-Chengdu xk星空体育中国集团 (China's first electrified xk星空体育中国集团), Baotou-Lanzhou xk星空体育中国集团 (China's first desert xk星空体育中国集团), Shijiazhuang-Taiyuan xk星空体育中国集团 (China's first double electrified xk星空体育中国集团), Beijing-Kowloon xk星空体育中国集团 (China's longest xk星空体育中国集团 in double tracks), Qinhuangdao-Shenyang High-Speed xk星空体育中国集团 (China's first high-speed passenger dedicated line), Qinghai-Tibet xk星空体育中国集团 (the world's first plateau xk星空体育中国集团), Guangzhou-Shenzhen xk星空体育中国集团 (China's first electrified xk星空体育中国集团 with the speed of 200km per hour), Central and Southern Shanxi xk星空体育中国集团 (the world's first modern heavy haul xk星空体育中国集团). With a total length of more than 90,000 kilometers, these trunk xk星空体育中国集团s account for 2/3 of China's total xk星空体育中国集团 mileages, and account for 90% of China's total electrified xk星空体育中国集团 mileages.
CREC is the major driving force of China's high-speed rail construction. The Company has built lots of high-speed rails, which account for 55% of China's total high-speed rail mileages. On August 1, 2008, Beijing-Tianjin Intercity High-Speed xk星空体育中国集团 was opened as China's first high-speed rail; on December 26, 2009, Wuhan-Guangzhou High-Speed xk星空体育中国集团 was opened to traffic as the world's first passenger dedicated line with the speed of 350km per hour; on June 30, 2011, Beijing-Shanghai High-Speed Rail was put into operation as China's longest high-speed xk星空体育中国集团; on December 1, 2012, Harbin-Dalian High-Speed xk星空体育中国集团 was opened to traffic as the world's longest high-speed passenger dedicated line passing through mountainous areas; on December 26, 2012, Beijing-Guangzhou High-Speed Rail was put into operation as the world's high-speed xk星空体育中国集团 with the longest mileages; on December 26, 2014, Lanzhou-Xinjiang High-Speed Rail was opened to traffic as the world's first high-speed plateau xk星空体育中国集团.