Pipe Fitting, Valve, Ball Valve manufacturer / supplier in China, offering DN15-DN100 Stainless Steel 304 316 Thread Screw Pipe Fitting Swing Check Valve, DN25" Two Piece Stainless Steel Ball Valve High Quality Industrial Use, OEM Flange Stainless Steel 200wog/Psi Non-Rising Stem Female Threaded Screw Gate Valve and so on.