Cast Iron Valve, Cast Steel Valve, Ball Valve manufacturer / supplier in China, offering ASME ANSI B16.9 DIN Standard Carbon Steel Stainless Steel Butt Welding Pipe Fitting 180 Sr Elbow, Stainless Steel Standard Calibration Test Weight 1mg-1kg, Pipe Clamps to Connect Tubes and Fittings with Strength, Durability and Versatility and so on.