PEF Jaw Crusher 1 High reduction ratio. 2.Easy operation. 3.Simple constructin . 4.Repectable performance . PEF jaw crusher ,which is ideal for the primary and secondary crushing, is widely used for mining ,quarry, metallurgy, building, construction, chemical industry etc. The pressure resist strength is under 250 Mpa1 High reduction ratio.2.Easy operation.3.Simple constructin .4.Repectable ...