Pipe Fittings, Flanges, Valves manufacturer / supplier in China, offering 150lbs 1/2 Inch to 4" Male or Females NPT Thread Connector Stainless Steel Tube Fittings, Stainless Steel Ss 304/316 Male/Female Thread 150psi Screw Pipe Fittings Equal Tee, Casting 150lbs Stainless Steel Screwed Pipe Fittings Hexagon Bushing and so on.