Rubber Oil Sealing: -Durable,ozone-resistant ISO9000 & ISO14000 standard OEM/ODM are welcomed Rubber Oil Sealing:Good quality and best prices1.Application: for crankshaft, gearbox input shaft, output shaft, wheel2.According to customers' drawing,customized specifications are welcomed.3.Designing and manufacturing all of oil seals, gaskedts,o-rings ,and so on. Black Rubber Oil Sealing for crank ...