... -copper alloy casting iron & Mixing with chrome, molybdenum, nickel etc.3)Surface Treatment: Phosphated, Nitrided, Chrome plated. Our Cylinder Liner SpecificationsCommon Materialsboron alloy ... technique & wear proof & high temperature resistant etc. Surface TreatmentPhosphated, Nitrided, Chrome plated etc. B.Production Range: Pistons,Piston Rings,Cylinder Liners,Engine ...