Product Name: White Polyurethane O-Ring Model NO.: Many Standard: Standard, Nonstandard Shape: O-Ring Performance: Corrosion Type: Stationary Seal Application: Cylinder Material: Polyurethane Size: Complete Range of Specifications Color: Many OEM: Acceptable MOQ: 1000 PCS Trademark: HTong Transport Package: Plastic Bag and Carton Specification: many Origin: Hebei HS Code: 40169910 Product Description WehaveCNCmachinesandcooperatewithuniversitiesandresearchinstitutionsandhaverubbermaterialresearchanddevelopmentteam.Weestablishedlong-termcooperativerelationsoftechnologytalentswithQingdaoUniversityofScience&Technology,HebeiUniversityofTechnology,northwestRubberInstitute,eachbatchonemployeetraining,improvethestafftechnicallevelandculturalstructure,creatinganumberofbusinesselites.Itlaysasolidfoundationforthehealthydevelopmentofthecompany.material: NBR, FKM, EPDM, silicon rubber are available.size: hundredscustom-made is welcome.