B. block cell board is not bright (black) 1, a few consecutive plate transverse direction is not light, check the cable normal and abnormal cell plate cell plate connection is turned on; or 2 chip 245 is normal, continuous pieces plate in the longitudinal direction does not shine Beijing led display, check this column power supply is normal. 1. Transportation costs: I have not counted the cost Tianjin led display production, the general Debon Logistics Automotive led display vary the reference weight and distance delivery. Customers can also specify the logistics company shipped to local general freight customers themselves based on contract. (This fee proposal FACT, calculate how much to use.) 2 technician costs: the need to provide technical personnel to guide our installation, commissioning costs. Our dispatch a technical engineers to provide technical services on-site, users simply responsible for our technical engineers room and board costs and travel expenses to and from the travel can be a real newspaper. Qingdao led display _led display _ Gao Jin photoelectric provided by Jinan Optoelectronics Technology Co., Ltd. Gao Jin. Jinan Gao Jin Optoelectronics Technology Co., Ltd. (www.zhkyled.com) strong, credible, in Jinan, Shandong liquid crystal device industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Gao Jin photoelectric and you hand into the brilliant, for a better future!