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+86 13761105129email:
marketing@gntcn.comProduct information
Standard:DIN3570 or custom demand
Size: Nom diameter:30-530
Material:Carbon Steel, Stainless Steel
Finish:Plain,Black Oxide, Zinc Plated,H.D.G,PTFE,Dacromet,Nickel, Chrome,PTFE,Dacromet,Zinc Nickel.