... and Niumatang open pits. These pits annually produce 1.8 million tonnes of run-of-mine ore. The ore from these mines is processed via two processing plants with a combined daily processing capacity of ...
... 2010 and included the development of the Tongqianshan and Niumatang open pits. These pits annually produce 1.8 million tonnes of run-of-mine ore. The ore from these mines is processed via two processing ...