This time we bought the company Triple offset butterfly valve can be really good, ah, just installed yesterday set the Triple offset butterfly valve and a clear sense of the Triple offset butterfly valve sealing very good, and the whole process is very precise, design is also very safe, obviously than our previously used those to be much better, not with this Triple offset butterfly valve or, so we are also very easy to work up. See this now Triple offset butterfly valve, I really want to give the company are replaced by this Triple offset butterfly valve.