Stud Bolt and Nut, Copper Pipe Tube, Spiral Wound Gasket manufacturer / supplier in China, offering Qishine 2inch Inox A182 F304 Stainless Steel Forged Weld Neck Flange, 12 Sch30 ASME B36.10 Alloy Steel A335 Gr. P22 Seamless Pipe, 3" Sch 80 A335 P11 Alloy Steel ASME B36.10 Seamless Pipe and so on.