High Hardness Stainless Steel Ringing O Ring for Sale WUDI SUPMETALS CO., LTD. Base Info Trademark:SMTTransport Package:Plastic Bag+CartonSpecification:3MM~25MMOrigin:ChinaHS Code:7326909000 Description Pre:Stainless Steel 304 Hardware Ring with O Type Next:Durable Stainless Steel Ring with High Hardness