Jaw crusher can be used with the mining and sand-making equipment, and can also be independently used. The jaw crusher can be used to produce the road bed stone, railway slag and the construction aggregates. It can be divided into two kinds: the coarse and fine jaw crusher, which are the common name of PE series jaw crusher and the PEX series jaw crusher. Jaw crusher is mainly used to process the medium particles crushing of various ores and large size materials with the crushing pressure of less than 320Mpa. And jaw crusher is widely used in mining, metallurgy, construction, highway, railroad, conservancy and chemistry industries, etc.