The company was founded in March 1967, and its predecessor was one of the earliest companies specializing in the operation of urban natural gas in large and medium-sized cities in China. A limited liability company was restructured and established in 2004, and strategic investors were introduced to become mixed ownership enterprises. Advanced management concepts such as academic benchmarking, lean management, and action learning were introduced successively, greatly improving the company's management level and injecting strong impetus into sustainable and healthy development. The shareholding system reform was completed in September 2017, and listed on the main board of the Shanghai Stock Exchange in December 2019. The company is mainly engaged in urban gas distribution and sales, urban gas engineering construction, integrated services and integrated energy. The company's main products include urban gas; vehicle gas; gas connection, distribution, management; gas engineering planning, design, construction and installation, etc. The company has won honorary titles such as “National Safety Culture Demonstration Enterprise”, “National 'Ankang Cup' Competition Winner Unit”, Sichuan Housing and Urban-Rural Development System Advanced Collective, Chengdu Transportation Construction Outstanding Organization Unit, and Outstanding Enterprise for Advanced Manufacturing Development in Wuhou District, Chengdu.