1,Material:ZCuA19Fe4(C61900) 2,widely used in auto parts ... bushing features1,we are a professional manufacturer specizlized in copper bushing2, good carrying capacity,high tiredness resistance,high wear ... the basis of quality4,perfect production process :formula of copper alloy-casting-machining-finishOur service1,develop and produce new items ... and development on the basis of quality copper bushing