Cho Lon Water Supply Joint Stock Company (ChoLon Wasuco) is a Vietnam-based company engaged in the supply of water. The Company is involved in the management and development of water supply systems, as well as the delivery of fresh water for household usage and manufacturing purposes. It also installs water meters and constructs water supply systems. In addition, the Company is engaged in the trading of equipment and supplies for the water industry, along with the offering of engineering services for water supply and drainage system construction. During the year ended December 31, 2012, 98.2% of its net revenue came from water supply activities. As of December 31, 2012, the Company was a 51%-owned subsidiary of Saigon Water Corporation (Sawaco).