Scientists work at a device related to quantum chips at the Synergetic Extreme Condition User Facility in Huairou district, Beijing, on Tuesday. (Photo by Yan Dongjie/chinadaily.com.cn)

Li Peiling, an associate researcher at the CAS's Institute of Physics, introduces a independently developed cooling device on Tuesday. (Photo by Yan Dongjie/chinadaily.com.cn)

A scientist solders in the laboratory. (Photo by Yan Dongjie/chinadaily.com.cn)

A map of a part of the Huairou Science City. (Photo by Fang Biling/for chinadaily.com.cn)