I look around me but friends are all recognized, usually as long as I recommend to others that there has never been a friend would say not good, a few days ago, a friend and I went out to talk about a project, after talking about the project we have no in chat with him it is said to want the company to change a set of monitoring equipment, I recommend HDB CCTV after listening to them, my friend after listening to said he has been on the HDB CCTV a good impression, he was thinking to consider the results in, hear me also said that a HDB CCTV look good after going back is of no concern, directly on the choice of the HDB CCTV.