西安铁路分局西安电务段 Xi'an Communication and Signal District of Xi'an Railway Branch Bureau 陕西省西安市新城区环城北路东段53号 No.53,East Section of North Huancheng Road,Xincheng District,Xi'an City,Shaanxi Province,China 西安铁路局西安电务段 Xi'an Communication and Signal District of Xi'an Railway Bureau