... petroleum and other industries. Production mode: 1. Sand casting2. Precision casting Production Process:1. Water glass sand process 2. Investment ... . Vacuum hardening water glass 5. V Method molding process Material:1. High Manganese Casting: Mn13, Mn18, Mn22, Mn13Cr2, Mn18Cr2, ... 3. Any other material as customer's requirement.Main Product: 1. Jaw Plate 2. Cheek plate3. Toggle plate4. Mantle/ Concave ...