该公司是中国铁路总公司(原铁道部)的子公司。
Thee company is a subsidiary of the China Railway Corporation, which is the former Ministry of Railways.
中国铁路总公司表示，新的铁路运行图提高了我国客运和货运列车的运力。
A new railway operating plan has increased the country's passenger and freight train capacity, according to China railway Corp.
这一项目的总工程师姚志军说： ：“这是中国铁路总公司有史以来修建难度最高的隧道。”
"It has been the most difficult tunnel that China Railway ever built, " said Yao Zhijun, chief engineer of the project.
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