... golden supplier on Alibaba,and ISO 9001-2008 certificated1 Main MaterialACM, aluminum, acrylic,Raw steel, round and square tubes2Technique ProcessCutting,welding, ... all kinds of contents, shapes, sizes and amazing effect9Installation MethodHigh level raw steel for bottom structure, Screw bolts fixed. With ... lit LED letters, back lit or halo LED letters and other LED signs. gas stations for sale