A friend told me about the things about the Factory CCTV, at the time when hearing the words, I would wonder, we together in the two day, I don’t know how to do the Factory CCTV, and later at a friend told me that Factory CCTV knowledge, I know, friend every day he is looking at playing mobile phone, but he is some of the more useful knowledge, like I knew in that play the game, he also learned from the Internet is the Factory CCTV knowledge, but I think he knows about the Factory CCTV knowledge is really a lot of this. He also let me sit up and take notice, I think the Factory CCTV, will have the opportunity, I should learn more, because it is very useful.