Yi Hua Li

Yunnan Tin Group (Holding) Co. Ltd. is a Chinese company that smelts, manufactures, and distributes tin, other non-ferrous metals, and minerals. The private company is based in Gejiu, China and ultimately controlled by the Province of Yunnan. Wenxiang Gao has been the CEO of the company since 2008.

Yunnan Provincial Investment Holdings Group Co., Ltd. engages in the the provision of investment services and management of funds. Its investment involves energy, railway, finance, information, tourism, and medical health. The company was founded on September 5, 1997 and is headquartered in Kunming, China.

China Aluminum International Trading Co., Ltd. manufactures and supplies aluminum and aluminum-related products. The company is headquartered in Beijing, China.

Chinalco Assets Operation & Management Co., Ltd. engages in the Management of research and development facilities. Its business scope includes operation and management of state-owned assets and state-owned shares, and technology development and technical services. The company was founded on April 8, 2013 and is headquartered in Beijing, China.

Aluminum Corporation of China engages in the development and trade of mineral resources; smelting and processing of nonferrous metals; and provision of engineering and technical services. It operates through the following business segments: Aluminum Plate, Copper Plate, Rare Earth Plate, Engineering Technology, Mineral Resources, Overseas Sector, Trade, Energy, and Financial. Its products include alumina, aluminum ingots, carbon products, fabricated aluminum products, fabricated copper, rare metals, and rare earth products. The company was founded on February 23, 2001 and is headquartered in Beijing, China.