ENN Energy Holdings Limited, an investment holding company, engages in the investment, construction, operation, and management of gas pipeline infrastructures, vehicle and ship refuelling stations, and integrated energy stations in the People's Republic of China. It operates through Construction and Installation, Sales of Piped Gas, Vehicle Gas Refueling Stations, Wholesale of Gas, Sales of Integrated Energy and Services, Sales of Gas Appliances, and Sales of Material segments. The company also sells and distributes piped gas, liquefied natural gas, and other multi-energy products; and provides other services in relation to energy supply, as well as engages in energy trading business. In addition, it retails gas pipelines, and related materials and equipment; transports oil products and gas; and sources compressed pipeline gas, as well as involved in the wholesale and retail of compressed natural gas, gas equipment, appliances, and others; and provision of financial services. As of December 31, 2018, the company served 18,522,733 residential customers and 121,105 commercial/industrial customers with installed designed daily capacity of 106,552,583 cubic meters. The company was formerly known as XinAo Gas Holdings Limited and changed its name to ENN Energy Holdings Limited in September 2010. ENN Energy Holdings Limited was founded in 1992 and is headquartered in Langfang, the People's Republic of China. Address: