Staff members conduct maintenance work at the Guquan converter station in Xuancheng, east China's Anhui Province, Oct. 20, 2025. The Guquan converter station on the Changji-Guquan ultra-high voltage direct current (UHVDC) transmission line that transmits electricity from Xinjiang to east China is undergoing a 7-day annual overhaul started from Oct. 17.
The Changji-Guquan transmission line, which was put into operation in September 2019, leads the world in terms of voltage level, transmission capacity and distance. (Photo by Zhao Xianfu/Xinhua)
Staff members conduct maintenance work at the Guquan converter station in Xuancheng, east China's Anhui Province, Oct. 20, 2025. The Guquan converter station on the Changji-Guquan ultra-high voltage direct current (UHVDC) transmission line that transmits electricity from Xinjiang to east China is undergoing a 7-day annual overhaul started from Oct. 17.
The Changji-Guquan transmission line, which was put into operation in September 2019, leads the world in terms of voltage level, transmission capacity and distance. (Xinhua/Du Yu)
Staff members conduct maintenance work at the Guquan converter station in Xuancheng, east China's Anhui Province, Oct. 20, 2025. The Guquan converter station on the Changji-Guquan ultra-high voltage direct current (UHVDC) transmission line that transmits electricity from Xinjiang to east China is undergoing a 7-day annual overhaul started from Oct. 17.
The Changji-Guquan transmission line, which was put into operation in September 2019, leads the world in terms of voltage level, transmission capacity and distance. (Xinhua/Du Yu)
Staff members conduct maintenance work at the Guquan converter station in Xuancheng, east China's Anhui Province, Oct. 19, 2025. The Guquan converter station on the Changji-Guquan ultra-high voltage direct current (UHVDC) transmission line that transmits electricity from Xinjiang to east China is undergoing a 7-day annual overhaul started from Oct. 17.
The Changji-Guquan transmission line, which was put into operation in September 2019, leads the world in terms of voltage level, transmission capacity and distance. (Photo by Zhao Xianfu/Xinhua)
Staff members conduct maintenance work at the Guquan converter station in Xuancheng, east China's Anhui Province, Oct. 20, 2025. The Guquan converter station on the Changji-Guquan ultra-high voltage direct current (UHVDC) transmission line that transmits electricity from Xinjiang to east China is undergoing a 7-day annual overhaul started from Oct. 17.
The Changji-Guquan transmission line, which was put into operation in September 2019, leads the world in terms of voltage level, transmission capacity and distance. (Xinhua/Du Yu)
Staff members conduct maintenance work at the Guquan converter station in Xuancheng, east China's Anhui Province, Oct. 20, 2025. The Guquan converter station on the Changji-Guquan ultra-high voltage direct current (UHVDC) transmission line that transmits electricity from Xinjiang to east China is undergoing a 7-day annual overhaul started from Oct. 17.
The Changji-Guquan transmission line, which was put into operation in September 2019, leads the world in terms of voltage level, transmission capacity and distance. (Photo by Zheng Xianlie/Xinhua)
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