Metal Spiral Wound Gasket, PTFE Gasket, Graphite Gasket manufacturer / supplier in China, offering DN300cl600 Flange Sealing Gasket SS316L Stainless Steel Outer Ring Filled with Graphite Spiral Wound Gasket, API 601 Standard Seal Gasket SS304 Outer Ring Filled with Graphite Spiral Wound Gasket, Pipe Flange Joint Oring Spiral Seal Gasket Ss321 Metal PTFE Spiral Wound Gasket and so on.