China manufacturer of magnetic ballasts for metal halide flood lights & hps flood lights

The tunnel lighting fixtures,It consists of a glass mask, the cover, the porcelain lamp holders,the main reflector, the high pressure sodium ballasts, the lamp, and vice reflector. The grounds of which the main reflector composed of multiple strips plane stitching folded surface subreflector circle involute surfaces, the dimmable electronic ballasts, the light source can be a fluorescent tube or two fluorescent lamps tube. The new structure is simple, easy to use, flexible installation, light reflection efficiency greater than 70% of the spatial intensity distribution is reasonable, and may be suitable for use in different tunnel cross-sectional shape and width of the tunnel road width.