Valve, Ball Valve, Gate Valve manufacturer / supplier in China, offering API 6D Compliant Fully Welded Flanged Ball Valve for Pipeline Service, DN100-DN600 Fully Welded Flanged Ball Valve with Rtj Face ASME B16.5, Full Welded Ball Valve DN80 Pn16 A105 API 6D Monogrammed for Hot Water & Gas -40º C~121º C and so on.