Song Da No. 6 Joint Stock Company is a Vietnam-based company engaged in the construction and engineering industry. It constructs civil and industrial structures, such as traffic works, irrigational works, infrastructures, power transmission lines and transformer stations. It also manufactures construction materials and supplies, such as concrete modules, pipes and cement. In addition, it is involved in the mining and processing of stones, sand, gravels and clay. During the year ended December 31, 2012, 85.33% of its net revenue came from construction activities. As of December 31, 2012, the Company was an affiliate of Song Da Corporation, and it had one subsidiary.