... Energy Saving & Fluorescent E27 aluminum lamp holder 1.Material:Die-casting Aluminum housing; 2.Base:E27; 3.100-250V; Energy Saving & Fluorescent E27 aluminum lamp holder die-casting lamp ... Co., Ltd started its business from porcelain lamp holders, now more than 12 years development, ... are also expand to lamp holder, plug, socket, extension socket, lighting, energy saving lamps and other electrical ...