Spring Cone Crusher China First Engineering Technology . Spring Cone Crusher Overview: Spring cone crusher is widely used in the metallurgy, construction, road building, chemical and other industries. It is suitable to crush the high or medium hardness rock and minerals, such as iron ore, cooper ore, limestone, quartz, granite, basalt, dolerite .Jaw crusher is used in the first process of crushing various minerals and rocks. It can process all kinds of ores with compressive strength not higher than 320 MPa to medium size at one time. It often forms a whole set of sand and stone production line together with cone crusher, counterattack crusher.