● The radiator is aluminum alloy die-casting , and the surface is  sprayed by special outdoor plastic powder after passivating treatment
● Extruded with aluminum alloy,the surface is sprayed by outdoor special plastic powder after chromium treatment
● Equip high diffuse reflection precision optical reflector.
● The ultra - white tempered glass is not easy to be contaminated with dust and oil
● Light source cavity configuration breathing apparatus, make the cavity pressure balance in vivo and in vitro, eliminate cavity in the fog and condensation, ensure the service life of the output and the LED lamps and lanterns of luminous flux.