Stud Bolt and Nut, Copper Pipe Tube, Spiral Wound Gasket manufacturer / supplier in China, offering Monel/CS/304/304L/316/316L/321/347 Outer Ring Graphite Filler Spiral Wound Gasket for Industry, Fluoropolymer Coating Class 600lb/900lb/1500lb/2500lb Oval Ring Gasket for Flange, PTFE Coating Metal Oval/Octagonal/R/Rx/Bx/IX/Hx/Ax Ring Joint Gasket and so on.