jh rock 3 roll mill in iran

Calcium carbonate is the main raw material to make cement, lime and calcium carbide, and it is an indispensable flux limestone in metallurgical industry.

The feldspar grinding process is the most important of the mill production line, so we must pay attention to the choice of the equipment.

The limonite is a kind of common iron mineral. Limonite shows various structures, such as massive, earthy, milky or grape-like structure. Limonite is mainly used in chemical industry, building materials, refractory materials, metallurgy and other industri

Basalt with the color of black, dark gray and dark brown is a common basic volcanic rock mineral. With advantages of good corrosion resistance, compression resistance and oxidation resistance, basalt is widely used in roads, railways, construction, buildi