Beijing One Card is a one-stop online service platform launched by Beijing Municipal Traffic One Card Co., Ltd., among which Xidan One Card Customer Service Center is located at No.45 Fuxingmennei Street, Xicheng District, Beijing, with business hours of 8: 30-19: 00; One-card Dongzhimen Customer Service Center is located in the service hall on the west side of the first floor of the transportation hub outside Dongzhimen, Beijing, with business hours of 8: 30- 19: 30.