PU seal(rod seals/piston seals/wipers): 1. High quality; 2. Low price; 3. Full ... ; 4. supply OEM service. China supplier PU seal(rod seals/piston seals/wipers):1) Available material: PU;2) Certification: ISO9001: 2000 ... .Rod seals: USH, DHS, UNS, UNR, UHR, IDU, IDI, ISI;Piston seals: UNP, UHP, ODU, ODI, OSI, USI;Wipers: LBI, WA1 ...