... height:6-9M Body Material:Die Casting Aluminium 1.Lamp housings:aluminum die-casts,and are smooth and ... cast and is highin reflectiivity after electrochemical polishing.4,Lamp surface through plastic spray treatment is high temperature ... installation of electrical components inside,lamp use and maintenance.APPLICABLE FOR:Urban road,expressways,elevate road,crossroads,bridges,plazas and residential ...