China OEM Rubber Parts Epdn NBR Sealing Ring Oil Seal Shandong Dongdu Auto Parts Co., Ltd. Base Info Model NO.:all sizesTrademark:DONGDUTransport Package:Carton BoxSpecification:NBR,HNBR,PEFE,Viton,EPDM,SiliconeOrigin:Rizhao Shandong ChinaHS Code:4016931000 Description Pre:China OEM Factory Customize O Shaped Ring for Static and Dynamic Seal Next:Rubber Timing Belt, Rubber Synchronous Double Belt