Vinaconex 39 Joint Stock Company, formerly Vinaconex - PVC Construction Investment Joint Stock Company, is a Vietnam-based company engaged in the construction industry. It is involved in the construction of manufacturing and industrial structures, such as factories, thermal power plants, parking lots and refinery plants. The Company also constructs hotels, apartment buildings and urban areas, as well as infrastructures and traffic structures, including highways and streets. In addition, it develops and operates commercial and residential building projects. Other activities include the trading of automobiles and spare parts, construction materials, equipment and machinery, as well as the provision of passenger transportation service via buses.