Spiral Wound Gasket, PTFE Tape, PTFE Gasket manufacturer / supplier in China, offering ASME B16.20 Certified Metal Rx R Bx IX Ring Joint Gasket, API R/Rx/Bx/IX Metal Ring Gasket/Octagonal/Oval Ring Joint Gasket, Oval/Octagonal/Lens/IX Type Ring Joint Gasket in ASME B16.20 Standard and so on.