May 19, 2021 · Copper use is so widespread, it is a leading indicator of global economic activity. The red metal isn't called ... Some have gone beyond taxation in getting more out of the mining sector with a wave of requirements such as mandated beneficiation (where ore is processed locally rather than exported raw), export restrictions (eg
Onte Machinery is an enterprise specializing in the production of
various crushing, sand making, grinding, mineral processing
and building materials products. After 40 years of development,
it has become the production and export base of China's mining machinery industry.