Installation and resolve electronic light box advertising Xiangyang Heng electronic light box by a number of diodes in series from Xiang sign production, in the installation of positive and negative must not be wrong, or will not light, followed by the positive electrode of each contact must wear adaptation of resistance, so as to ensure lamp life outdoor sign making, when to the controller is common to all the positive and negative change color according to the different needs above corresponding to the negative. Heng advertising - Contacts many card points are: copperplate paper cards, PVC cards, UV cards, metal business cards, and transparent business card, it is a symbol of the company's production of outdoor signs, Heng advertising (online consultation), Xiang signs produced by Xiangyang City Xiangzhou District, Heng advertising services. Xiangyang City Xiangzhou District, Heng advertising services (www.xythgg.com) (www.xythgg.com) Hubei Xiangfan, plate making, printing supplies leaders, over the years, the company is implementing the scientific management, innovation and development, honesty and trustworthiness policy, and satisfy customer needs. Heng ad in leadership with the staff warmly welcome all inquiries negotiations to create a better future for Heng advertising.