The reflector is made of imported ultra pure aluminum, which is functioned well in reflection , not easy to be oxidized and change color -The body is made of high-purity cold rolling steel , not easy to be distorted -The powder-coated surface is smooth, hard to be worn and change color -Equiped with OPPLE high-quality Electric Magnetic ballast, stable, energy-saving and have long life-span -Application Scope: office, library, school, hospital, show room and shop etc