Monday to Friday (winter) 09: 00 to12: 00; 14: 3 to 17: 30, 09: 00 to 12: 00 in summer, 15: 00 to 18: 00. Weekends are from 8: 30am to12: 00pm and from 2: 30pm to 5: 00pm. According to relevant information, weekend external service items: Traffic Patrol Sub-center of Public Security Bureau, Marriage Registration Center, Household Administration Window of Public Security Bureau, Entry-Exit Window of Public Security Bureau, Medical Insurance Window, Social Security Window, Real Estate Registration Center Window (including tax window). The main duties of the administrative service center are: to supervise and inspect the windows of the stationed units, to supervise the online examination and approval system, to assess the management of window personnel, and to screen and adjust the administrative examination and approval and public services.