Features and Advantages of C-1540 cone crusher spare wear parts bowl liner concave and mantle Mn13% Mn18% Mn22% 1. Materials: h igh manganese and customised materials. 2. Use: wear parts for crushers in the quarry, mining, cement aggregate, recycling, shredding . and demolition fields. etc. 3. Certificat ions: ISO9001 &TS and CE certification. 4.