Shanghai Rolling Pipe threads tech Ltd is into manufacturing of Pipe Threads Galvanized and Black threaded Pipe . Our NPT and BSP threaded pipe nipples are manufacture with Rolling thread technology which make threads of Pipe much strong as compare to cut threads and also protect the Pipe from getting rusted. Our specially designed black pipe nipples promote safety making it one of the best choice for high pressure gas applications. It comes with precise thread tooth profiling that is not only very easy to connect but also it very convenient to replace. It also comes in galvanized coating that keeps the pipe strength intact for a very period of time preventing damages caused by water exposures and rust.