The world''s biggest mining companies in 2018
Jun 21, 2018· The company owns and operates six mines, six copper processing plants, a copper smelter and two sulphuric acid plants. Its operations are primarily located in mainland China and Hong Kong. The company was granted a total of 42 patents in 2017, of which 13 were invention patents. Headquartered in Guixi, Jiangxi, China, JCCL employs 20,880 people.