Ball Valve, Needle Valve, Check Valve manufacturer / supplier in China, offering SS304 Stainless Steel High-Pressure Elbow 90 Degree External Thread Sleeve Joint, Suitable for Water, Oil and Gas, 304 Stainless Steel Pipe Joint 90 Degree Joint Pipe Right Angle Joint Elbow Instrument Pipe Joint Stainless Steel Elbow, Ss 304 Od 3 / 8 - 1 / 4 NPT Elbow Fittings Connector Tube Fitting and so on.