Rubber O Ring Cheapest!! 1.Certificate:ISO 9001:2000,TS16949 ,ROHS 2.Material:NBR,HNBR 3.customer's design is welcome Rubber O Ring Cheapest!! 1 Material :NBR.HNBR2. We also make O-rings by customer's drawings or samples.3. Unit price depend on detailed materal design and QTY.4. Es of payment :30%TT before the order ,70%TT before the dispatch5. Thickness 0.5mm to 10mm.6.Temperature -resistant - ...