ENN Energy Holdings Limited, an investment holding enterprise headquartered in Langfang, China, primarily dedicates its operations to the energy sector across the People's Republic of China. Founded in 1992 and known as XinAo Gas Holdings Limited until its rebranding in September 2010, the company plays a crucial role in the investment, development, and management of gas pipeline infrastructure. Its business scope also extends to integrated energy solutions and the establishment and operation of refueling stations for vehicles and ships. The company's comprehensive activities are categorized into five core divisions: Retail Gas Sales, Integrated Energy Services, Gas Wholesale, Construction and Installation, and Value Added Business. Its offerings are extensive, including the distribution and sale of piped gas, liquefied natural gas (LNG), and other varied energy products, coupled with various services related to energy provision. ENN Energy further participates in energy trading, the retail of gas pipelines and associated equipment, and the transportation of oil products and gas. It is also involved in the sourcing, wholesale, and retail of LNG and compressed natural gas (CNG), alongside gas equipment and appliances. Additionally, the company provides financial services. As of December 31, 2021, ENN Energy Holdings Limited had successfully reached a broad customer base, serving approximately 25 million residential households and 200,000 commercial and industrial clients.