... : boron alloy, boron-copper alloy casting iron & Mixing with chrome, molybdenum, nickel etc. 3)Different Treatment: Phosphated, Nitrided, Chrome plated. 4 ... : boron alloy, boron-copper alloy casting iron & Mixing with chrome, molybdenum, nickel etc. (4) our Cylinder liner character: good lubricity,thermostability ...