The story
Western Mining Co., Ltd. was established in 2000 and is a subsidiary of Western Mining Group, which is controlled by the Qinghai Provincial People's Government. It was listed on the Shanghai Stock Exchange on 12 July 2007 under stock code SSE: 601168.
In 2008, the company began trial operations at its Yulong Copper Mine in Tibet Autonomous Region, a major copper resource in the region. The company acquired a 17% stake in the project from Zijin Mining in 2007.
From Wikipedia’s article on Western Mining Co., Ltd., shared under CC BY-SA 4.0.3