What is our LED display VIP service?Our VIP service include the followings:Our VIP customers will get a very good solution to save 30% cost every year.Our VIP customers will get double 3-year warranty or double 5-year warranty service.Our VIP custome

A smart city is an urban area that uses different types of electronic data collection sensors to supply information which is used to manage assets and resources efficiently. This includes data collected from citizens, devices, and assets that is