Mantle and bowl liner are the main wearing parts for cone crusher. Hongfei can manufacture numerous models of concave and mantles for cone crusher. For the material of concave, Hongfei use the Hadifield-steel , like Mn13Cr2,Mn18Cr2,Mn22Cr2, to ensure the wear resistance. Our cone parts are widely used on mining, constrution, chemical, cement and metallurgical indusery. After the modification treatment, combining with the special processing techniques, concave have a service life 10%-15% longer than those made of traditional materials.