1)Material:Q235 bar 2)We have various dustbin axles. 3)long life, and best performance (zinc) 4) ... ,45# bar steel4.Surface treatment:zinc/nickel/chrome plating,hot galvanized,powder coating,electrophoresis, etc 5.Metal processing:stamping ,deep drawing ... bending, CNC machining,drilling,powder coating,pressing part,polish,etc. various dustbin axle