... ,mine,metallurgy,chemical industry,cement and so on3) Material::high manganese steel:Mn13%,Mn18%.,Mn24%High chromium iron:Cr20,Cr24upCarbon Steel4 ... powder inspectionUltrasonic inspection undamaged testing equipment5)Major wear part:High manganese partsFixed Jaw PlateSwing Jaw PlateUpper cheel plateLower cheel plateConcave Mantle ...