Stud Bolt and Nut, Copper Pipe Tube, Spiral Wound Gasket manufacturer / supplier in China, offering Stainless Steel Spiral Wound Gasket for High Temperature, CS Outer Ring SS316L Inner Ring Spiral Wound Gasket, Washer Gylon 3500 G11+Zps Type F-8''-300# Insulation Gasket Kit and so on.