... is crafted for high quality aluminum,the surface smooth,flat;2. Reflector imported high-purity aluminum reflective mateial,high effciency,small glare;3 ... anti-acid,anti-aging.5. Pole material with ss400/q235 quality steel,hot dip galvanized anti-rust treatment. Features:1) ... ;3) No stroboflash and Light Pollution: Because of its high operating frequency, there is no stroboscopic effect, therefore the ...