Duong Hieu Trading and Mining Joint Stock Company is a Vietnam-based mining company. The Company principally exploits, processes and markets iron, lead and zinc ores. Several of its undergoing mining projects include Dan Thang Copper Project, Seo Pha Construction Stones Project, Nam Ban 2 Decorative Stones Project, Gold Mineral Sand Projects on Da River and Nam Ha Spring, all located in Lai Chau Province, Vietnam. The Company also trades electrical equipment. It distributes electrical equipment and devices branded Siemens and Industrial Systems, such as busbar systems, contactors and manual motor starters. In addition, the Company markets fire-retardant materials used in the steel and cement industries. Moreover, it distributes imported alcohol and acts as an airline ticket agency for Vietnam Airlines and Pacific Jetstar Airlines. As of December 31, 2012, the Company had two affiliates.