Jaw crusher consists of two piece of jaw, moving jaw and static jaw crushing cavity, the simulation of the animals two jaw crusher movement and complete material crushing operations. Jaw crusher, which is ideal for the primary and secondary crushing, is widely used in mining, quarry, metallurgy, building, highway, railway, construction waste processing, water conservancy and chemical industry, etc. It features high reduction ratio, easy operation, simple construction, repeatable performance, easy maintenance, and low consumption.