Shanghai Helen Metal Decoration Co., Ltd. is a comprehensive advertising company which integrates design, R&D, production and sales. Through years of development, our company has successively established branches in five cities of China. Our company has professional equipment and a technical team of good quality. We aim at offering our customers the latest, professional and high quality products and excellent service. Our main products are standoffs, ultra thin light boxes (crystal light boxes, aluminum alloy light boxes and water-proof light boxes), scrolling light boxes (digital electronic system), display equipment and aluminium alloy raw materials & parts. Among these products, our independently-developed advertisement nails and ultra thin light boxes are highly praised among customers with their novel style, convenient use and reasonable price. Through common efforts and exploration of our staff, our products have been exported all over the world, including many countries and regions such as America, Europe, Australia and Africa. In addition, we have established branches in Hongkong and Australia. We have always strived for mutual benefit with our sincerity and credibility. Our development depends on your participation and support. Our company would like to cooperate with you for a brilliant future!