There is a high school students now in the business, before the actual doing what is not clear to me. Yesterday happened to meet in the street, looking for a place to sit and chat up. He said slack adjuster in, it is also a kind of screw tightness regulator thing. Now slack adjuster in various fields have been widely applied, he was optimistic about the market, with the resolute slack adjuster business, just in foreign countries also have friends who have the resources, he directly from imported high quality slack adjuster, now in the domestic market and the reputation is very good, there are many large customers become repeat customers, will cooperate for a long time, really feel he is so amazing.