Man Tang Zhao

Part of Tianshui Jindu Mining Co. Ltd., Gansu Shengda Group Co. Ltd. distributes nonmetal minerals and chemicals. The company is based in Lanzhou, China.

Beijing Shengda Industrial Group Ltd. engages in the investment and asset management activities. Its business scopes include development of real estate properties; sale of non-ferrous metal ores, chemical products, rubber products, metal and building materials, and electronic products; economic information consultation; and import and export business. The company was founded on September 16, 2011 and is headquartered in Beijing, China.

Inner Mongolia Guangda Mining Ltd. engages in the exploration and mining of metal ores. The firm processes, sells, and purchases silver, lead and zinc products. The company was founded on September 29, 2009 and is headquartered in Chifeng, China.

Sanhe Sino-Top Resources & Technologies Ltd. engages in the exploration, evaluation, development, and mining of mineral resources. It has mining properties in Erbaohuo Silver District. The company is headquartered in Sanhe, China.