... most popular stone-crushing equipments, it is widely used in mining, metallurgy, construction material, highway, railway, hydroelectricity and ... powerful vibrating forces low vibration noise, easy maintenance high durability and etc 4. Ball MillThis machine is ... efficient equipment for processing fine, feebly magnetic minerals, such as hematite, limonite, wolfram, ilmenite, and tantalum-niobium, etc. In ...