Third party quality test is to make sure that the quality test on ED ring is more objective and the product quality is more credible. Authoritative third parties have been invited to conduct quality tests and certificates have been obtained. You may find them on the official website. The quality certificates are strong evidence about the company's capability. They are solid foundation for the business development in domestic and foreign markets.

The Suzhou Ultimate Sealing Technology Co.,Ltd. brand is primarily focused on the production of FKM gasket. The O ring is one of the main products of Ultimate. The mechanical parts of Ultimate silicone rubber strip have to go through strict fabrication. They have to undergo casting, cutting, thermal treating, surfacing polishing, etc. This product is corrosion resistant. It has been tested in salt fog harsh environment to determine its resistance to the effects of a salt atmosphere.

Ultimate Seal's quality policy is to develop and produce high-quality o ring products. Call!