OJ 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 and sand making machine. It is widely used in mines, metallurgy, chemical industry, building materials, electric power and water. Benefit, transportation and other fields.What materials can it break?River pebble, granite, basalt, iron ore, limestone, quartzite, diabase, iron ore, gold ore, copper ore, etc.