... /ODM is welcomed 3)Certification:ISO9001,Rosh,War Black Customized NBR round rubber gasket 1)We have kinds of material : NBR,HNBR ... )*10(THICK)mm / 50(OD)*15(ID)*10(THICK)mm Customized/standard and nonstandardBrand Namerubber GasketMaterialNBR,HNBR,EPDM,SILICONE,VITON,FLS ...