Feng Ma

Tongguan Mines Construction Co., Ltd of Tongling Nonferrous Metals Group engages in the mining construction enterprise with first-grade qualification for construction and mining projects. Its business also includes domestic and overseas mines construction, mining, mechanical and electrical equipment installation, geological disaster control, and building structures construction. The company was founded on May 26 1962 and is headquartered in Tongling, China.

Part of Tongling Nonferrous Metals Group Co., Ltd., Chifeng Jinjian Copper Industry Co., Ltd. engages in copper smelting and extruding activities. The company is based in Chifeng, China. Chifeng Jinjian Copper Industry Co. was acquired by Tongling Nonferrous Metals Group Co., Ltd. on August 06, 2008 for $32.16 million. The Chinese company was founded in 1998. The CEO is Er Tong Ren.