Petrovietnam Gas Joint Stock Corporation, together with its subsidiaries, engages in collection, transportation, processing, storage, distribution, and trading of gas and gas related products in Vietnam and internationally. The company offers liquefied petroleum gas, dry gas, condensate, compressed natural gas, liquefied natural gas, and steel pipes, as well as gas cylinders under PetroVietnam brand. It is also involved in the provision of gas gathering, importation, and transportation and distribution services, as well as offers engine conversion, and maintenance and repair services for gas facility equipment. In addition, the company provides coating services, and steel pipe services comprising steel plates supply, welding, non-destructing testing, and chemical analysis and mechanical testing services, as well as engages in the construction and installation of equipment and other accessories. It supplies its gas to power and fertilizer plants, industrial manufacturers, LPG trading and distributing companies, and transportation and processing industries, as well as to manufacturers of ceramic tiles, steel, and porcelain. The company was formerly known as PetroVietnam Gas Corporation – One Member Company Limited and changed its name to Petrovietnam Gas Joint Stock Corporation in May 2011. Petrovietnam Gas Joint Stock Corporation was founded in 1990 and is headquartered in Ho Chi Minh City, Vietnam. Petrovietnam Gas Joint Stock Corporation operates as a subsidiary of Vietnam Oil and Gas Group.