Spiral Wound Gasket, PTFE Tape, PTFE Gasket manufacturer / supplier in China, offering ASME B16.20 Standard Metal Spiral Wound, Semi-Metallic, Spiral Gasket for Quality, 6inch 150# SS304 Winding CS Outer Ring En1514-2 Standard Spiral Wound Gasket, Graphite Filler or Ceramic Filler Spiral Wound, Metal Gasket and so on.