N/a manufacturer / supplier in China, offering Good Resistance Rubber Seal O Ring as-216/28.17*3.53/as-568/NBR Wide Applications, High Performance Rubber Seal as-216/28.17*3.53/as-568/NBR O Ring Compact Structure Sealing, Stable Proporty Rubber Seal O Ring Durable Sealing Time as-216/28.17*3.53/as-568/NBR and so on.