To take care of optimum functioning in the security sector we have gained extra ordinary experience through our 13 Years of export history. Operating as an authorized Manufacturer and Exporter of Tri-color LED, based on Using an agent we take pride being listed among Tri-color LED companies that security sector relies upon. There are certain elements that demand extra attention in case of safety and security and we not only deliver quality in LED display screen,LED display,led screen,led sign,led billboard,led panel,led monitor,led advertising board,led board,led module,led curtain,led perimeter display,led module,led moving board,led moving sin,led tv,led video,led wall but also ensure competitive pricing. We have evolved over time and gained reliability, helping us capture a good proportion of consumer base estimating Canada,Chile,Thailand,United Kingdom,United States export market share. Effective make is another factor that we strongly believe in and maintain throughout our manufacturing cycle carried out in our professional enterprise situated in Shenzhen, Guangdong, China.OPTICAL TECHNOLOGY DEVELOPMENT CO., LIMITED Private Limited was introduced in the industrial sector in 2007 as a small business entity. Over the time, we have gradually evolved into a renowned Tri-color LED manufacturer with US$1 Million - US$2.5 Million of yearly profit, and export ratio value of Above US$100 Million that was first launched with US$10 Million initial business capital.