... AEM, etc. 2. ISO9001 3. Prompt delivery: 1 week rubber OEM O ring MaterialNR,CR,NBR,SBR, SILICONE,VITON,EPDM, HNBR, BUNA, ... free test slabs and hardness testers can be offered for customer's testingPackageInner plastic bag/outside carton/wooden palletsPayment termsL ... /T, Western Union, MoneyGram Delivery timeSamples can be ready for shipment within one week normally. Production orders can be arranged ...