According to enterprise data, Chongqing Wanzhou Gas Co., Ltd. was established in 1989-03-07, and its business scope includes general projects: pipeline gas (natural gas, coalbed methane) transportation and supply; Compressed natural gas (CNG) (only operated by branches with relevant licenses); Planning, design, construction, management, installation and maintenance of gas pipeline network and supporting facilities; Technical consultation and service of gas engineering; Natural gas supply, accessories and maintenance sales, building materials sales, hardware products retail, hardware products wholesale, daily necessities sales, non-residential real estate leasing, housing leasing (except for projects subject to approval according to law, independent business activities shall be carried out according to law with business licenses).