Metal Spiral Wound Gasket, PTFE Gasket, Graphite Gasket manufacturer / supplier in China, offering Internal and External Reinforced Oring Metal Spiral Wound Gaskets for Pipe Flange Fittings Graphite PTFE Spiral Wound Gaskets, Wear-Resistant Pressure-Resistant and Corrosion-Resistant CS/304/ 316 Stainless Steel Flange Valve Pipeline Metal Spiral Wound Gaskets, Marine Engine Neoprene Surface Metal Corrugated Gasket Salt Water Resistant and so on.