Construction Joint Stock Company N0 1 is a Vietnam-based construction company. It constructs residential, commercial and manufacturing buildings, as well as infrastructures. It also manufactures and trades ready-mix concrete and floor and wall ceramic tiles. It is also involved in the leasing of construction equipment and vehicles, as well as the offering of landscape architectural and interior decorating services. In addition, the Company invests in the development of houses, offices and apartment buildings. During the year ended December 31, 2012, 59.9% of its total revenue came from construction business. As of December 31, 2012, the Company was a 55.14%-owned subsidiary of Vietnam Construction and Import - Export Joint Stock Corporation (Vinaconex).