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