Oil Seal, Oring, Gaskets manufacturer / supplier in China, offering Sog Nitrile Sc Skeleton Oil Seal 22/25/30 * 3037/40/47 * 4/7/8/10 with Complete Dimensions, Excavator Floating Seal Group 8p1252 Duo Cone Seal 9W6682, Floating Seal 2p-3395 2p3395 for Caterpillar 571g 572g 977K 983 D6c D7g and so on.