high manganese concave,mantle liner 1.high manganese steel concave 2.wearing part ... swing mobile jaw plate for jaw crusher,steel mill liner for grinding ball mill,and other wearing parts for ... other crusher. Descriptions of the High Manganese Concave, Mantle Liner:1. Made of high Mn 13, 14, 18...up ... .2. Advantage: low "S" "P"3. Casting Mathod: Sand Casting4. OEM service available ...