Where is the asymptomatic infected person isolated in Lanzhou?

The isolation points of Four Seasons Hotel, Yihai Business Hotel and Windham Garden Hotel in Jingangcheng should keep the rooms clean, organize the house affairs regularly, and carry out preventive disinfection and window ventilation for more than half an hour every day. Disinfecting wipes can be used to wipe the switch buttons of various indoor appliances. All asymptomatic infected people in Lanzhou are isolated in hotels and isolation points.