Petrovietnam Gas City Investment and Development Joint Stock Company (PV GAS-CITY) is a Vietnam-based company operating in the gas industry. The Company develops and operates central gas stations and pipeline systems for urban zones and residential areas. It is also involved in the installation of gas systems for urban zones, residential areas, industrial parks, hotels and restaurants, as well as the trading of supplies and equipment for gas structure construction, such as tanks, meters, safety valves and other tank equipment. In addition, the Company is engaged in the distribution of liquefied petroleum gas (LPG), liquefied natural gas (LNG), compressed natural gas (CNG), synthetic natural gas (SNG) and Dimethyl Ether (DME) through pipeline systems and tank trucks. As of December 31, 2012, the Company was an affiliate of PetroVietnam Gas Corporation and China-based ENN Energy Holdings Limited, formerly XinAo Gas Holdings Limited.