Valve, Ball Valve, Gate Valve manufacturer / supplier in China, offering Stainless Steel Full Bore Butt Weld Ball Valve - ANSI Class 600/Pn100 - API 6A Certified for Industrial Pipeline, API 6D Compliant Fully Welded Flanged Ball Valve for Pipeline Service, DN100-DN600 Fully Welded Flanged Ball Valve with Rtj Face ASME B16.5 and so on.