When I heard that when the Factory CCTV is very good, I think is to go to see it, because I have this stuff was very interested, and I think, if so, I can learn some knowledge about Factory CCTV, Factory CCTV and I know this from the colleagues, one of my colleagues had special love this thing, so long as the new products in the market, he will be the first time to understand, but I feel it, I have never seen Factory what is CCTV, now just have the time, I think it should be go to look after, if applied, I also know what is going on.