Company Coarse Gold Ball Mill

hummingbird resources plan to install a second ball mill and increase production capacity at its yanfolila gold mine, in mali, is tracking ahead of expectations, the company says.The second ball mill will increase throughput capacity from 1 mt/y to 1.24 mt/y when operating at 100% fresh ore and from 1.2 mt/y to 1.4 mt/y when processing a.