The company constructs, operates, and manages gas pipeline infrastructure, vehicle and ship refueling stations, and integrated energy projects. They sell and distribute piped gas, LNG, and other multi-energy products. ENN Energy Holdings is primarily engaged in distributing and retailing natural gas, owning 252 city gas projects in China by the end of 2021, with an annual gas sales volume of 33.1 billion cubic meters. The company has also ventured into integrated energy business with 150 projects in operation.