Stud Bolt and Nut, Copper Pipe Tube, Spiral Wound Gasket manufacturer / supplier in China, offering Uns N10276 Hastelloy C276 Hex Head Bolt for Chemicals and Petrochemicals, Uns S31635 Stainless Steel 316ti Bolt for Organic Acid Equipment, Uns N09925 Stud Bolt with Extensive Corrosion Resistance and so on.