Hubei Huanyu Engineering Construction Supervision Co., Ltd.

Hubei Huanyu Engineering Construction Supervision Co., Ltd. (hereinafter referred to as the Company) was founded in 1996 and officially registered with the industry and commerce authorities in November 2000. The Company has a registered capital of 10 million RMB. The Company holds Grade A supervision qualifications for electric power engineering and building construction engineering issued by the Ministry of Construction and the former Ministry of Electric Power, Grade B supervision qualification for municipal public works, and Grade C supervision qualification for water conservancy and hydropower engineering. Since its establishment, the Company has successively undertaken the design and full-process construction supervision of numerous 500kV and above voltage-level power transmission and transformation projects, including 38 substation projects at 500kV and above, and over 4,000 kilometers of transmission lines at 500kV and above. It has won 3 "China Construction Engineering Luban Prizes," 5 "National Quality Engineering Gold Awards," 6 "National Quality Engineering Awards," 14 "China Electric Power Quality Engineering Awards," and 59 "State Grid Corporation Power Transmission and Transformation Quality Engineering Awards." The Company possesses very strong technical force and rich management experience. Converter stations/substations mainly include: Jarud ±800kV Converter Station Project, Jiuquan ±800kV Converter Station Project, Golmud ±400kV Converter Station Project, Zhezhong 1000kV Substation Project, Beijing West 1000kV Substation Project, Qaidam 750kV Substation Project, Xinjiang Bachu 750kV Substation Project, Zhoukou 500kV Substation Project, Jiangxia 500kV Substation Project, Shandong Zibo Gaoqing 500kV Substation Project, Nanyang Zhong 500kV Power Transmission and Transformation Project, Suizhou 500kV Substation Project, Pingxiang 500kV Substation Project, etc. DC line projects mainly include: Zhundong~East China ±1100kV UHV DC Line Project, ±800kV Xiangshang DC Line Project, ±800kV Jinsu DC Line Project, Xiluodu~Zhexi ±800kV UHV DC Line Project, ±800kV Shanghai Temple-Shandong DC Line Project, Qinghai~Henan ±800kV UHV DC Transmission Line Project, Baihetan-Zhejiang ±800kV UHV DC Transmission Line Project, Baihetan~Jiangsu ±800kV UHV DC Transmission Line Project, ±500kV Baoji~Deyang DC Transmission Line Project, etc. AC line projects mainly include: 1000kV Nanjing-Jingzhou-Changsha UHV Line Project, 1000kV Ximeng-Shandong UHV Line Project, Shandong Ring Network 1000kV UHV AC Line Project, 750kV Lanzhou~Pingliang~Ganxian Line Project, 750kV Jinchang~Jiuquan~Anxi Line Project, Xinjiang Second Channel 750kV Transmission Line Project, 750kV Bachu-Kashgar Line Project, Hubei Fancheng~Suizhou 500kV Line Project, Miyi~Panzhihua 500kV Transmission Line Project, 500kV Shuibuya~Qianjiang Line Project, Pingdingshan~Luonan 500kV Line Project, etc. Among them, the Zhoukou 500kV Substation Project and Jiangxia 500kV Substation Project won the Luban Prize; the Zhezhong 1000kV Substation Project, Golmud ±400kV Converter Station Project, and ±800kV Xiangshang Line won the National Quality Engineering Gold Award; the Xining~Riyueshan~Wulan~Golmud 750kV Power Transmission and Transformation Project and Xinjiang Second Channel 750kV Transmission Line Project won the National Quality Engineering Award; the 500kV Shuibuya~Qianjiang Transmission Line Project and Henan Pingdingshan~Luonan Substation 500kV Transmission Line Project won the National Quality Engineering Silver Award; the Sanbanxi~Loudi 500kV Line Project and 58 other projects won the State Grid Corporation Quality Engineering Award. The project construction sites cover Hubei, Hunan, Henan, Yunnan, Jiangxi, Chongqing, Sichuan, Fujian, Inner Mongolia, Hebei, Gansu, Qinghai, Shaanxi, Xinjiang and other provinces and municipalities.