. "www.12306.cn" . . . . . . . . . . "2015" . . . "6.24587E12" . . . . "China National Railway" . "5.3456E10" . "Chinese Railways" . . . . . . . . . . . . . . . . . . . . "1950-01-19" . "2000000" . . "CR" . . . . . . . "China Railway Corporation" . . . . . . . . . . . . . . . . . . . . . . . . . "China\u2013North Korea railway" . . . . . . . . . . . . . . . . . . . . . . . . "2.150725E12" . . . . . . . . . . . . . . . . . . . . . . . "China National Railway Group Limited" . "national railway system" . . . . . . . . . . . . . . . . . . . . . . "1950" . . . . . . . . "China Railway" . . . . . . "China Railway#New Silk Route" . . . . . "China Railways" . . . . . "China Railway" . . . . . . . "railway;" . . . . . . . . "China Railway Corporation (2013\u20132019)" . . . . . . . "National Rail" . . . . . "2013" . . . . . . . "China State Railway Group Company, Limited" . . . . . . . . . . . . . . . . . . "China" . "2013" . "9.16258E11" . . . "railway" . . . . .