The crusherofthisserise is suitable for crushingvariesof mid-hardand abovemid-harb ores and rocks.This crusher has the advantage ofreliable construction high prod uctivity,easyadjusmentand less cost inoperation.The spring release system of crusher acts an overloadprotection system thatallows tramp to passthroughthe crushing chamberwithout damage to the crusher,use dyr oli,water,two kind of sealedformation.Itmade plaster stone andengine oil seprated,assured reliableperformance.Thetypeof crush-ing chamberdepend uponthesizeof feedand fineness of the crushed product.the standard type is applied tomedium crushing,the mediumtype is applied to medium or fine crushingand the shorthead is appliedto the crushing.This seriesof crushers areequipped with advanced hydraulic cavity-clearing system whichsignificantlyshortens thetimefordearingthecavityafter power failure or jamming.