A resident displays a thermometer showing real-time room temperature at her home in Baota District of Yan'an, northwest China's Shaanxi Province, Dec. 21, 2023. As a strong cold wave sweeps across most parts of China, heating companies are making efforts to provide effective heating services to the people in winter. (Xinhua/Zhang Bowen)
A staff member of a local thermal power company inspects heating facilities in Hohhot, north China's Inner Mongolia Autonomous Region, Dec. 21, 2023. As a strong cold wave sweeps across most parts of China, heating companies are making efforts to provide effective heating services to the people in winter. (Xinhua/Li Zhipeng)
A staff member of a local thermal power company inspects heating facilities in Hohhot, north China's Inner Mongolia Autonomous Region, Dec. 21, 2023. As a strong cold wave sweeps across most parts of China, heating companies are making efforts to provide effective heating services to the people in winter. (Xinhua/Li Zhipeng)
Hotline staff members work at the heating company under Ningxia Electric Power Investment Group in Yinchuan, northwest China's Ningxia Hui Autonomous Region, Dec. 21, 2023. As a strong cold wave sweeps across most parts of China, heating companies are making efforts to provide effective heating services to the people in winter. (Xinhua/Wang Peng)
Staff members of the heating company under Ningxia Electric Power Investment Group monitor heating data in Yinchuan, northwest China's Ningxia Hui Autonomous Region, Dec. 21, 2023. As a strong cold wave sweeps across most parts of China, heating companies are making efforts to provide effective heating services to the people in winter. (Xinhua/Wang Peng)
Staff members monitor real-time data at the control room of a branch company of Hefei Thermal Power in Hefei, east China's Anhui Province, Dec. 21, 2023. As a strong cold wave sweeps across most parts of China, heating companies are making efforts to provide effective heating services to the people in winter. (Photo by Chen Sanhu/Xinhua)
This aerial photo taken on Dec. 21, 2023 shows a staff member inspecting heating facilities at a thermal power plant in Rongcheng City, east China's Shandong Province. As a strong cold wave sweeps across most parts of China, heating companies are making efforts to provide effective heating services to the people in winter. (Photo by Li Xinjun/Xinhua)
A staff member works at the main power house of a branch company of Hefei Thermal Power in Hefei, east China's Anhui Province, Dec. 21, 2023. As a strong cold wave sweeps across most parts of China, heating companies are making efforts to provide effective heating services to the people in winter. (Photo by Chen Sanhu/Xinhua)
This aerial photo taken on Dec. 21, 2023 shows a staff member transporting coal at a thermal power plant in Rongcheng City, east China's Shandong Province. As a strong cold wave sweeps across most parts of China, heating companies are making efforts to provide effective heating services to the people in winter. (Photo by Li Xinjun/Xinhua)
Staff members of the heating company under Ningxia Electric Power Investment Group inspect heating facilities in Yinchuan, northwest China's Ningxia Hui Autonomous Region, Dec. 21, 2023. As a strong cold wave sweeps across most parts of China, heating companies are making efforts to provide effective heating services to the people in winter. (Xinhua/Wang Peng)
A thermometer shows real-time room temperature in a residential community in Wenxian County of Jiaozuo City, central China's Henan Province, on Dec. 21, 2023. As a strong cold wave sweeps across most parts of China, heating companies are making efforts to provide effective heating services to the people in winter. (Photo by Xu Hongxing/Xinhua)
Staff members record data at a gas supply station of a natural gas company in Guangshan County of Xinyang City, central China's Henan Province, Dec. 21, 2023. As a strong cold wave sweeps across most parts of China, heating companies are making efforts to provide effective heating services to the people in winter. (Photo by Xie Wanbai/Xinhua)
A staff member maintains gas supply line of a natural gas company in Guangshan County of Xinyang City, central China's Henan Province, Dec. 21, 2023. As a strong cold wave sweeps across most parts of China, heating companies are making efforts to provide effective heating services to the people in winter. (Photo by Xie Wanbai/Xinhua)
A staff member of a local thermal power company inspects heating facilities at a residential community in Baota District of Yan'an, northwest China's Shaanxi Province, Dec. 21, 2023. As a strong cold wave sweeps across most parts of China, heating companies are making efforts to provide effective heating services to the people in winter. (Xinhua/Zhang Bowen)
A staff member (R) of a local thermal power company measures room temperature at a resident's home in Hohhot, north China's Inner Mongolia Autonomous Region, Dec. 21, 2023. As a strong cold wave sweeps across most parts of China, heating companies are making efforts to provide effective heating services to the people in winter. (Xinhua/Li Zhipeng)