The project is self-funded by Zhonglian Zhihui (Beijing) Energy Service Co., Ltd., with a total investment of about 23.6 billion yuan in the first phase, covering seven provinces, including Hebei, Henan, Shandong, Shanxi, Liaoning, Hubei and Anhui, and about 400 new comprehensive energy filling stations. The construction covers the design and implementation of civil engineering, electromechanical engineering, landscape engineering, power engineering, information engineering, image engineering and other professional engineering. The EPC general contracting mode is adopted, and the planned construction period is 24 months (730 calendar days). The project is positioned in the smart energy filling network, which belongs to the large-scale layout of the new integrated energy infrastructure.