... is high manganese Mn13%, Mn18%, Mn24%, etc. 3. Durable. DYHJ CASTINGJaw crusher parts include:1. Fixed jaw plate;2. Swing jaw plate;3 ... . Upper cheek plate;4. Lower cheek plate;5. Toggle plate.6. Toggle seat.We ... ,and etc…… We can casting in the material of high manganese steel,,carbon steel, alloy steel, heat resistant steel , ductile iron , gray ...