ENN Energy Holdings Limited is a company listed on the Hong Kong Stock Exchange. It is one of the four listed companies owned by ENN Group, one of the largest private energy groups in China. The other three are ENN Ecological Holdings, ENC Digital Technology Co., Ltd and Tibet Tourism Co., Ltd. Archived 2020-09-17 at the Wayback Machine. ENN Energy is one of the largest clean energy distributors in China. The principal business of the Group is the investment in, and the construction, operation and management of gas pipeline infrastructure, vehicle and ship refuelling stations and integrated energy projects, the sales and distribution of piped gas, LNG and other multi-energy products. The Group also conducts energy trading business and provides other services in relation to energy supply in the PRC. As of 31 December 2018, the Group had 187 project cities in China in 17 provinces, municipalities and autonomous regions, namely Anhui, Beijing, Fujian, Guangdong, Guangxi, Hebei, Henan, Hunan, Inner Mongolia, Jiangsu, Jiangxi, Liaoning, Sichuan, Shandong, Yunnan, Zhejiang and Shanxi, covering a connectable urban population of 94.57 million. Wikipedia