How long can o ring kit be used?

If required by customers, can provide certificate of origin for o ring kit . Since founded, we have successfully gained the certificates to show the validity of the product. Certificates of origin makes our products more reliable than other products domestically and internationally.

As a Chinese exported bearing element brand, DMS Seal Manufacturer has been leading the trend for years. 's bearing element series include multiple types. Widely used in rotary shaft seals , these rotary seals are presented to patrons in customized form. Our products mainly include rod seals, piston seals, scraper seals, rotary seals, rubber seal products and spring seals. bearing element is inspected and tested by QC to guarantee its quality. DMS Seal manufacturer was established in 2008 and now has more than 10 years professional experience.

With our superb piston seals, Dms Seals Technology Co.,limited hopes to build relationships with you in the near future. Inquire online!