Anhui Province Natural Gas DevelopmentCo.,Ltd. engages in the investment, construction, and operation of long-distance natural gas pipelines in China. The company sells natural gas to downstream customers, such as city gas companies and direct supply industrial users through self-built long-distance pipelines, as well as provides transportation services; and processes natural gas into CNG/LNG through trade and sells to downstream customers, such as city gas companies, industrial, and commercial users. It also engages in the installation of CNG/LNG and city gas facilities comprising operation and maintenance of gas and natural gas related equipment and appliances, and commissioning, maintenance, and maintenance and overhaul of gas and natural gas related facilities, as well as comprehensive integrated energy services for users.