ENN Energy Holdings Limited, an investment holding company, engages in the investment, construction, operation, and management of gas pipeline infrastructure in the People's Republic of China. It operates through Retail Gas Sales Business, Integrated Energy Business, Wholesale of Gas, Construction and Installation, and Value Added Business segments. The company also distributes and sells piped gas, liquefied natural gas (LNG), and other multi-energy products; operates vehicle gas refuelling stations; and provides services related to low-carbon integrated solutions. In addition, it is involved in the integrated energy business; retail of gas pipelines, and related materials and equipment; transportation of oil products and gas; and sourcing and sell of LNG, as well as wholesale and retail of LNG, CNG, gas equipment, appliances, and others; and provision of financial services. The company serves residential, commercial, and industrial customers. ENN Energy Holdings Limited was formerly known as XinAo Gas Holdings Limited and changed its name to ENN Energy Holdings Limited in September 2010. The company was founded in 1989 and is headquartered in Langfang, China.