Song Da No. 9 Joint Stock Company is a Vietnam-based construction company. It is engaged in the construction of industrial, residential and commercial buildings, power transmission lines and traffic structures, as well as hydropower plants and cement plants. It is involved in electricity generation and trading, along with cement manufacturing. Other activities include the installation of metal structures, office leasing and the provision of repair and maintenance services of vehicles and construction equipment. As of December 31, 2011, 86.69% of total revenue came from construction business. As of December 31, 2011, the Company was a subsidiary of Song Da Corporation, and it had six subsidiaries, one affiliate and three branches. The Company announces that it has set up Song Da Branch 908 at Muong Te District and Song Da Branch 903 at Than Uyen District, both at Lai Chau Province, on January 1, 2013.