Aluminium alloy lamp pole basically divides at present two kinds, one kind is cast aluminium means, another kind is spin pressing means.Due to technological limitations, cast aluminum light poles are generally below 3 meters in height and are usually used only as yard light poles.Spinning lamp pole is a large CNC equipment equivalent diameter of 6061 or 6063 aluminum alloy pipe high-speed spinning, forming a cone or shaped rod.Then polish the surface to remove oil, burr and indentation.After quenching, the strength is strengthened to reach T6 state.This is also the current international general process, in line with international standards.