China's railway authorities have upgraded the
12306 train ticket booking system and developed functions special for the Beijing2022 Winter Olympics. Accreditation Cardholders can book tickets via the
website, App, and self-service ticket vending machines.中国铁路部门升级了12306火车票预订系统，并上线了北京2022年冬奥会专用功能。认证持卡人可以通过网站、应用程序和自助售票机订票。
