... Aluminum Plate, Aluminum Ring, Aluminum Cover, Bubble Cover, E40 Lamp Base for 28W Street Light ---A full kit light housing.......A ... :" One-Stop Service": From melting, extruding, surface treatment, welding and assembling. "A Package Plan Solusion":From design, drawing, development, ... solution proider. With our professional R&D, and a well-equipped and efficient ISO 9001: 2000 certified factory, we ...