Shenzhen posterland Co., Ltd was established in 1993, we have been introducing the newest technology for dispalys, advertising and exhibtion the first in China. With a teams of designers and skillful workers, we provide the customers the custom made high quality ultra thin light boxes powered by T4(or T5) particularly by LED with the newest creative technology. Rensently, the latest self ultra thin outdoor waterfroof and ultra large outdoor backlit waterfroof lightboxes are complitely designed ...