The jaw crusher ,which has the advantages of simple structure, convenient use and maintenance, is widely used in industries such as mining building materials. Now the jaw crusher,which is  produced by Metso, Sandvik,with a small volume ,high efficiency advantages,is used in domestic mine a lot .The jaw plate of our company produced by high manganese sheel,uses the composition optimization, purifying molten steel, modification treatment and other new technology,so that the using property of products will be further improve the performance, and provides a new way to  reducing production for the user.